General Information

The Union Territory of Delhi has found prominence right from the epic of the Mahabharata and the various dynasties of the Maurayas, Pallavas, Guptas, and finally the Mughals. Delhi became the centre of all activities after the capital was shifted from Kolkata. It was made a Union Territory in 1956.

Lying in the northern part of the country, Delhi is surrounded by Haryana on all sides except the east, where it borders with Uttar Pradesh.

Fact File

Source: CSO

Advantage Delhi

• Centre of Small Scale Industry in India.
• Encouragement to Non-polluting and Non-Hazardous industries
• Excellent connectivity in the form of state of the art infrastructure (Flyovers, Metro Rail etc).

Economic Infrastructure

Power

As compared to the other states and union territories, Delhi had the highest per capita power consumption of 1265 KWH per annum during the year 2004-05 as compared to the national average of 606 KWH.

Delhi Electric Supply Undertaking DESU is responsible for the generation and transmission mechanism in Delhi. It came in to existence in February 1997 replacing Delhi Vidyut Board (DVB), which was responsible till 30th June to provide electricity to areas falling within the jurisdiction of municipal limits and supplying electricity in bulk to New Delhi Municipal Council (NDMC) and the Delhi Cantonment Board (DCB) which in turn distributed it within their own areas. From 1st July 2002 under the Delhi Electricity Reforms Act, DVB was unbundled into six companies comprising of a Generation Company, a Transmission Company, three distribution companies and one holding company.

The Generation and Transmission functions are performed by the two companies
as wholly state government owned companies

• Genco- Indraprastha Power Generation Company Ltd, to which the generation assets of existing Indraprastha Thermal Power Station, Rajghat Thermal Power Station and Gas Turbine Power Station have been transferred (hereinafter referred to as 'GENCO')
• Transco -Transco company also makes available bulk supply of power to NDMC and MES for distribution in their respective areas.

The distribution functions have been entrusted to two private companies

• BSES- BSES has taken up two distribution companies namely; BSES Rajdhani Power Ltd and BSES Yamuna Power Ltd.
• TATA Power Ltd - Tata Power has been named as New Delhi Power Ltd.

Investment in the energy sector

The share of energy in total plan expenditure from 2003 to 2006 is given below:

Outlay & expenditure under energy sector:

Energy Demand

The state's power demand is growing at the rate of 5-6% per annum. From a peak demand of only 27 MW in 1951, Delhi's power demand crossed 3600 MW on 23rd June 2005. Delhi Transco Ltd. (DTL) has met this demand from various sources as detailed below: -

Energy Demand and load shedding

The overall supply of power in Delhi has improved significantly as the load shedding decreases year after year as shown hereunder: -

Source: Delhi Transco Ltd.

Power Generation

Capacity addition programme

The following projects of Govt of Delhi are under consideration:

(i) Conversion of coal based Indraprastha Power Station to a 1000 MW gas based station, in phased manner: -

The proposal is to firstly carry out limited repair and maintenance works on units no. 2,3,4 & 5 to have reliable generation around 170 MW for a period of about

five years and simultaneously initiate action for installation of one module of 350 MW (nominal capacity) CCGT in the south side at IndraPrastha (I.P). Station. Subsequently to replace Units No. 2,3,4 & 5 with gas based units in phased manner so that ultimately I.P. Station becomes gas based station of 1000 MW capacity. The first CCGT module is expected to be commissioned during 2009-10.

(ii) Pragati Phase-II Project:

Installation of a 350 MW capacity (nominal) gas based power project on the east side of ring road over the ash pond area of I.P.Station, between Bhairon Marg crossing and Nizamuddin Bridge. NTPC has prepared feasibility report. NTPC is also carrying out EIA study and preparing specifications for tendering.

(iii) Agreement with NTPC for 480 MW power plant at Dadari.

(iv) 600 MW power has also been tied up with Tehri Project.

(v) Installation of a 1000 MW coal based thermal power plant at Chhattisgarh.

(vi) Setting up of 1000 MW gas based power plant at Bawana.

Power sector reforms

The Government took the following steps towards power sector reforms: -

(i) Delhi Electricity Regulatory Commission (DERC) was set up and made functional from 1999.

(ii) Delhi Electricity Reforms Act 2000 was notified in March 2001. It provides for the constitution of an Electricity Regulatory Commission, unbundling of Delhi Vidyut Board (DVB) into separate generation,and distribution companies and increasing avenues for participation of Private Sector.

(iii) Request for qualification documents issued by Government and 32 companies including all the major Indian players in the power sector participated. Six companies short listed/pre-qualified for RPF stage.

(iv) Six companies were registered in July 2001 splitting Delhi Vidyut Board (DVB) into one generation, one transmission, three distribution and one holding company.

(v) Bids invited from private investors to buy equity of the distribution companies to turn them around.

(vi) The cabinet considered the bids unacceptable and a core committee was authorized to explore alternatives including negotiations.

(vii) The cabinet approved the report of core committee which had obtained acceptable bids after protected negotiations.

(viii) The 'Share Holding Agreement' was signed with successful bidders.

(ix) Transfer scheme was operationalised and management of Discoms was handed over to private distribution companies on 30th June 2002.

The power sector of Delhi ushered in a new era on 1.7.2002 when DVB was unbundled into six companies viz Holding Co., Generation Co., Transmission Co. and three distribution companies. The management of three distribution companies had been given to private investors while stipulating targets for efficiency improvement and reduction in AT & C losses. Two distribution companies had been given to M/s BSES and one distribution company to M/s TATA Power.

Road

Delhi's total length of roads is 28,508 km approx. The state has the road density of 1,739 km per 100 sq km which is the second highest in the country. The road network has increased from 8380 km in 1971-72 to 31183 km in 2005-06, while the number of vehicles has increased from 2.14 lakh in 1971-72 to 44.67 lakh in 2004- 05.

Delhi has the distinction of having 5 National Highways passing through its territory. These are NH-1, NH-2, NH-8, NH-10 and NH-24 connecting National Capital Region of Delhi to rest of the country. These highways contribute significantly to the character of Delhi as a major trading and distribution center.

In order to facilitate the road network of the state, to save people's excessive time and fuel consumption for all vehicular trips and to provide uninterrupted movement of traffic, a special programme to construct flyovers was started in 1998-99. During the 9th five-year plan, 11 flyovers/ ROB/Grade-Separators were constructed in Delhi by various agencies (PWD, DDA, DTTDC & MCD). During first three years of 10th five-year plan, 18 Flyovers and 2 RUB were constructed by the concerned agencies. 3 more flyovers have been completed during 2005-06.

Railway

Delhi is a major junction on the rail map of India linked with all the major metropolitan cities directly.There are four main railway stations at New Delhi, Old Delhi, Hazrat Nizamuddin and Sarai Rohila,

A new Railway Station is being developed by Northern Railway near Anand Vihar ISBT, which will help in decongestion at New and Old Delhi Railway Stations. The work has been started. There are 8 rail corridors in the National Capital Territory, which bring in more than 350 passenger trains and 40 goods trains every day.

Metros

The Delhi Metro Rail Corporation (DMRC) is implementing the Mass Rapid Transit System (MRTS) that is a proficient and non-polluting incorporated rail transport system

MRTS PHASE- I

The first phase of the project, originally estimated to cost Rs. 4,860 crore (April 1996 prices) was approved in September 1996 and was to be completed by March 2005. Later on it was revised to be completed by March 2006 at an estimated cost of Rs.10571 crore.

The first phase envisaged the following revised plan of three corridors:

MRTS PHASE -II

After completion of MRTS phase-I, Phase- II has been be taken up which envisages the following six corridors:

The completion cost of MRTS phase-II is estimated at Rs.8118 crore. Phase-II is expected to be completed by 2010.

The total length of the Delhi Metro Network is now 65.1 Kms with 59 stations. At present the Metro is running on these three-line network:

• Line no. I is an elevated line covering a distance of 22 Km and there are 18 stations on this route.
• Line no. II is a fully underground line and covers a distance of 11 Kms and there are 10 stations on this route.
• Line no. III is covering a distance of 29.29 Kms and there are 28 stations on this route. The extension of Line 3 i.e. from Barkhamaba Road to Indraprastha section was inaugurated and was opened for public on 11th November 2006;this section is 2.81 Kms long and has three stations. The Line 3 (Blue Line) is the longest on the network with a length of 32 Kms and has 31 stations.

Aviation

Delhi has three airports -

• Indira Gandhi International Airport for the international flights,
• Palam Airport for national air services, and
• Safdarjung Airport for training purposes.

Recently, Delhi Airport witnessed a major overhaul, when Government decided to privatize the airports. By way of a competitive bidding process, GMR-Fraport consortium won the bid for the Delhi airport. The airports were handed over to the company for the overall development. Company has already prepared master plans for modernization of the airport, which is likely to be implemented in the near future.

Telecommunications

A well-established telecommunication system prevails in Delhi.Subcribers for fixed line telephone has also increased during the years. Also, robust growth has been noticed in cellular mobile telephony

Social Infrastructure

Health

Delhi has one of the best health infrastructure in India both qualitatively and quantitatively. Delhi offers among the most sophisticated medical care with the latest state-of-the art technology for treatment and the best-qualified doctors in the country. About one third of patients in major hospitals of Delhi come from the neighboring states. Government agencies such as MCD, NDMC, Railways, Cantonment Board, ESI, Central Government besides Delhi Government's own network of dispensaries and hospitals are instrumental in delivery health care services to the people of Delhi. Apart from well-reputed Government hospitals Delhi has also a number of health institution on private sector. Within the private sector, Delhi has a strong presence of non-profit institutions and NGOs for providing free or subsided health services at subsidised rates to the poor.

Delhi has some of the best health facilities in the country with 15,000 doctors, 8000 chemists, 87 hospitals, 7 primary health centres, 2,500 diagnostic laboratories, 993 dispensaries, 209 maternity centres and sub-centres, 5 polyclinics, 559 nursing homes and 44 special clinics.

Investment in the health sector

The share of the Health Sector in total Plan expenditure of the Delhi Government is indicated below:

Per capita expenditure

Per capita expenditure of Govt of NCT of Delhi including MCD & NDMC on health is much more as compared to national level

Primary healthcare

The Delhi government has set up a chain of dispensaries and health centres throughout the city and is expanding the network, particularly in slums, resettlement colonies and unauthorized colonies.

Medical education and training

Four colleges with attached hospitals impart medical education and training. Of these, the All India Institute of Medical Sciences and Lady Harding Medical College are administered by the Central Government and Maulana Azad Medical College and the Guru Tegh Bahadur Hospital are under the Delhi Government. Two homoeopathic colleges, one ayurvedic and unani college, one nursing college and two nursing schools provide education and training in medicine.

Family welfare programme

Delhi Govt has become the first state in the country to introduce MMR, Hepatitis 'B' and typhoid vaccines in the Universal Immunization Programme. Simultaneously, the Govt has made great stride in eradication of Polio and Leprosy and has recorded a great success.

Education

There has been a considerable growth in the literacy rate in Delhi. According to the 2001 census, the literacy rate in Delhi is 81.8 percent as compared to that of 1991 census that was 75.3 percent. The state's literacy rate has surpassed the national literacy rate of 65.4 percent.

Investment in education sector

The share of the Education Sector (Gen. Education, Tech. Education, Art & Culture and Sports) in total Plan expenditure of Delhi Government is indicated below

Outlay under education sector

Expenditure on education

The Govt. of Delhi has been spending between 1.58% to 1.95% of Gross State Domestic Product on Education. This is evident from following table:

Expenditure on education as percentage of GSDP

Primary Education

In Delhi, primary education is mainly the responsibility of local bodies-the MCD, NDMC and Delhi Cantonment Board. The number of primary schools in 2004-05
was 2515 and enrolment 15.29 lakh in the same year. The expenditure on pre- primary / primary education in the year 2004-05 was 11442.31 lakhs.

Middle School Education

The number of middle schools in Delhi was 635 in 2004-05.Student enrolment has increased substantially from 3.23 lakh in 1980-81 to 8.22 lakh in 2004-05. The teacher-pupil ratio in middle schools is 1:26. The expenditure on middle school education in the year 2004-05 was 2790.36 lakhs.

Secondary and Senior Secondary Education

The Government of Delhi mainly provides Secondary/senior secondary education in Delhi. In 1980-81, Delhi had 704 secondary/senior secondary schools, which increased to 1712 in 2004-05.Students enrolment, also increased from 2.54 lakh in 1980-81 to 6.69 lakh in 2004-05. The teacher pupil ratio is around 1:30. The expenditure on secondary and senior secondary education in the year 2004-05 was 13685.73 lakhs

Vocational Education

Under the National Policy on Education, 1986 (revised in 1992), priority has been assigned to vocational education. The target was to enroll 25% of students at the senior secondary level in the vocational stream by 2000. Vocational courses such as engineering and technology, commerce and secretarial practices, home science, heath and paramedical services have been introduced at Senior Secondary level. Presently, Vocational Education programme is being implemented in 217 government schools and 9250 students are enrolled.

Higher Education

There are 165-degree colleges in Delhi. Of these, 82 colleges are affiliated with Delhi University and the remaining 83 colleges are affiliated with G.G.S.I.P.University. These include Delhi Government sponsored 28 Delhi University Colleges, of which 12 are fully funded by Delhi Government. Delhi also have five universities, including one Open University, nine deemed universities and two Institutes of National Importance.

Technical Education

Delhi has 43 AICTE approved Technical Education Institutions at the Degree/Post Graduation level affiliated to Delhi University or GGSIP University.In the Government and private sector 21 institutes are offering Diploma level courses. Out of which, 20 institutes are affiliated to Board of Technical Education,
Delhi and I is affiliated to Delhi University. 72 Institutes (17 ITI's in Govt. sector and 55 ITI's in Private Sector) are offering certificate level courses affiliated to BTE/SCVT/NCVT.

Commonwealth Games 2010

Delhi will be the host city for Commonwealth Games to be held in 2010. For successful hosting of the games there is need to upgrade existing infrastructure and also provide infrastructure in the new complexes to be developed for the games. Projects involving a cost of Rs.1314 crores have been identified and are at different stages of formulation. PWD, MCD, NDMC, DJB, Directorate of Education, Transport Department and Medical Department will implement these identified projects. In addition, DDA will develop Games Village along with other infrastructure near Akshar Dham Temple. With the creation of the proposed infrastructure, Delhi will move in the direction to a World Class City.

Industry Promotion Organisations

Since Delhi is the National Capital and a Metropolis, the thrust is on encouraging modern Hi-tech, sophisticated export-oriented small-scale industries in Delhi as well as those industries that do not stretch its meager resources such as land, water and electricity. The small-scale sector plays an important role in the

industrial development of Delhi and the Industry Department has been instrumental in promoting small-scale industries in the Capital.

Institutions for Promoting Small Scale Industries (SSI) in Delhi are

Delhi Khadi & Village Industries Board (DKVIB)

This statutory Board was reconstituted on 18.2.99 with Minister of Industry, Govt. of Delhi as its Chairman. The Khadi & Village Industries board implements two schemes namely KVIC Schemes and Block Loan Scheme under which the Board provides financial assistance to industries. The board provides financial assistance to the entrepreneurs, artisans and cooperative societies to start units to manufacture khadi & village industries products.

Delhi State Industrial Development Corporation (DSIDC)

Delhi Govt. has set up Delhi State Industrial Development Corporation in order to assist, finance and promote the interest of small-scale industries in Delhi. The Corporation developed Narela Industrial Complex and allotted plots to more than 1500 entrepreneurs. It also constructed 24 multi-purpose community centres under the Mini Master plan for development in rural Delhi. In order to provide self-employment opportunities to the under-privileged sections of the society, the Corporation allotted 2571 workspaces in 22 new work centres transferred to DSIDC from DDA.

Delhi Financial Corporation (D.F.C)

Delhi Financial Corporation (D.F.C) caters to long-term credit needs of the small and medium scale industries of Delhi and Chandigarh. Assistance can be availed for projects having fixed assets such as land, building, plant and machinery for working capital. The maximum limit for loan in case of companies is Rs.240 lacs while for others it is Rs.90 lacs. The corporation has also devised suitable schemes to promote the target groups such as women, Scheduled Castes and Scheduled Tribes, physically handicapped and ex-servicemen. The Corporation is providing a whole range of financial assistance like term loan, lease assistance and working capital finance.

Thrust Areas

• IT Enabled services
• Electronics and High Tech Industries
  
• Small Scale Industry

Promotion of small scale industries

• Infrastructure facilities
  • Provision of developed plots and flatted factories
• Assistance in procuring imported scarce raw material, fuels and other inputs
  
• Assistance to traditional industries
  
  • Handlooms: Provision of technical guidance to weavers, loans and grants to weavers cooperative societies, Thrift- fund-cum saving security scheme and group insurance scheme.
    
  • Handicrafts: Training to artisans in different crafts through apprenticeship scheme, Carpet weaving and Training centre, Provision of Marketing support, state awards to master crafts person, promote the sale of handlooms and handicrafts goods at Handlooms and Handicrafts at bazaars.
    
• One window information service
  
• Export promotion cell
  
• Quality control cell
  
• Industrial pollution control
  
• Grant of licenses to carry on business of a processor of lubricating oils and grease
  
• Simplification in Procedures
  
  • Redressal of Grievances and assistance to the members of the public.
    
  • Reducing the inspections by inspectorial staff.

New Schemes

• Credit linked Capital Subsidy Scheme for Technology upgradation in SSI
  
  • This applies to Existing and new units registered with the office of the Commissioner of Industries which can avail of capital subsidy with loans for technology upgradation in certain specific areas.
    
  • Capital subsidy is limited to 12 per cent of maximum loan of US$86,703.88 under the scheme.
    
• National equity fund scheme
  
  • Eligible projects under the scheme upto the project cost of US$ 108373.17 can be facilitated to avail financial assistance at lower promoters contribution and lower effective interest rates.

 

Leading Business Locations

Kirtinagar Industrial Area

Kirtinagar Industrial Area is located in western part of Delhi and has been developed by Delhi State Industrial Development Corporation.

Mangolpuri Industrial Area

Mangolpuri Industrial AreaLocated in western part of Delhi, Mangolpuri industrial area has been developed by Delhi State Industrial Development Corporation.

Naraina Industrial Area

Naraina Industrial Area is located in Northern part of Delhi. It was set up by the Delhi Development Authority (DDA) in 1970, it occupies place of pride among the industrial estates in Delhi. This industrial area is divided into two phases viz Phase I and Phase II and around 1200 industrial units which manufacture electronic and electrical goods, engineering goods, plastic goods, ready-made garments, sanitary fittings etc.

Okhla Industrial Area

Okhla Industrial Area is located in southern part of Delhi and is hub of industrial activity. Many export houses are located in the area along with some of the multinationals like Oriflame.

Tourism

The history of Delhi indicates that a large number of beautiful places in the form of forts, monuments, palaces, gardens, event places, bazaars, were created, constructed, developed by its rulers during the different periods of its history. At present, the remains of a large number of such historical places and monuments are the sites of attraction for visitors and tourists in Delhi. In addition to these historical places, a large number of gardens, buildings, playgrounds, institutional buildings, markets and event places have been constructed by the Britishers till 1947 and thereafter by the Government of India and Government of Delhi.

Some of the important places are Purana Quila, Qutub Minar, Tughlakabad Fort, Firozshah Kotla, Red Fort, Humayun Tomb, Safdarjung Tomb, Nizamuddin, Jama Masjid, Metcalf House, Old Secretariat, Coronation Pillar, Rashtripati Bhawan, Sansad Bhawan,Central Secretariat, India Gate, Lodhi Garden, Nehru Park, Buddha Jayanti Park, Connaught Place (Rajiv Gandhi Chawk), Lotus Temple, Akshardham Temple, Laxmi Narayan Mandir, IIT Delhi, Jawaharlal Nehru University, Delhi University, Raj Ghat, Shanti Van, Delhi Hatt, Garden of Five Senses,etc.

Delhi Tourism Development Corporation DTTDC

Delhi Tourism Development Corporation, an undertaking of the Government of Delhi, was incorporated in December 1975 to promote tourism in Delhi.

Initiative taken by the government

• Dissemination of Tourism related information

  To give reliable information on historical and cultural facets of the city and various tourist related services being imparted by the corporation, tourist information and assistance counters have been strategically located at major points of disembarkation in the city

• Tourist Services

  The Corporation offers value based city sight seeing tours and innovative package tours to Places of historic, cultural and scenic interest and to places of pilgrimage. Leave Travel Concession Tours are arranged for the Government servants. Detailed tour information is provided from information offices of the Corporation and through advertisement in the print media.

• Adventure Activities

  Delhi Tourism's infrastructure network and trained outdoor staff helps to choose from the various options available for satisfying penchant for adventure. Trekking in the high mountains, rock climbing, parasailing and water sports activities are offered.

• Dilli Haat

  In its endeavor to develop tourism related infrastructure Dilli Haat is being operated by DTTDC, a Permanent food and craft bazaar. It was developed in collaboration with NDMC and the Ministry of Textiles, Govt of India it was primarily planned to provide a venue to craft persons to sell their wares directly to the regional cuisines of the country.

• Musical Fountain

  Delhi Tourism 's Musical fountain at Ajmal Khan Park is spread over an area of five acres. Water cascades to the synchronised music and coloured lights in a 20 minutes shop.

• Manpower training for the tourism industry

  Delhi Chapter of the Indian Institute of Tourism and Travel Management (IITM) under the administrative control of the corporation conducts training programmes for the tourism industry. Regular programmes are announced through advetisements in print media and details are available from the Institute

• Hotel Industry

  Delhi's hotel industry is also seeing fresh investment Delhi has 70 star hotels, which include 24 5-star deluxe and 5-star hotels. Eden Park Hotels is investing US$ 22 million in the renovation of Qutab hotel, while US$ 34 million is being invested in Kanishka hotel. The state government plans to further develop tourism through information centres, pilgrimage tour packages and tourist sports complexes.

• Restoration of Denotified Monuments

  Delhi is a city of monuments and government has taken steps to preserve the rich cultural heritage of the city and to restore various denotified monuments.

Policy framework

Information Technology Policy

The Government of Delhi recognizing the enormous potential of the Information Technology sector put forth the IT policy in 2000. The policy aims to explore new avenues of development employment, productivity, efficiency and enhanced factors of economic growth. The government envisioned that Delhi will emerge as a premier cyber state in the country and its citizens would be e-citizens.

Policy Objectives

6 E's govern the aspirations of the IT policy namely

• E-Governance: Tool of e-governance to aid the government to deliver proactive and efficient services to its citizens.
  
• Equality: Achieve the objectives of poverty eradication, improving healthcare, empowering women and economically weaker sections of the society through the medium of information technology.
  
• Education: Encourage the use of IT in schools, colleges and educational institutions thus enabling skill upgradation, knowledge and job prospects in the industry.
  
• Employment: Generate additional employment for the new digital economy.
  
• Entrepreneurship: Unleash the incubation engine, promote entrepreneurship, earn foreign exchange and increase IT's contribution to the economic growth of the state.
  
• Economy: To encourage and accelerate investments and growth in IT hardware, software, Internet, training, IT enabled services, telecom, e-commerce and related sectors in the state.

Full text of the policy

Transport Policy

The state transport policy aims at providing safe, eco-friendly, cost-effective and efficient modes of transportation through a well-integrated multi-modal transport system.

Policy Objectives

• Augment mass rapid transport system by means of massive investments through institutions.
  
• Provision of adequate, accessible and affordable modes like buses, mini-buses, electric trolley buses complemented by a network of a rail based mass rapid transit systems like metro and commuter rail. Intermediate Public Transport System (IPT)
• Controlling vehicular Pollution: Provision of CNG buses, strengthening the pollution norms, introduction of strict inspection and certification systems.
• Road Infrastructure: strengthen transport infrastructure by constructing a number of flyovers, subways, expressways etc.
  

Vision

Delhi should be a well-managed, clean and dynamic city serving its citizens as a model capital city.

Mission statement

To provide safe, eco-friendly, cost-effective and efficient modes of transportation through a well-integrated multi-modal transport system

Full text of the policy

Business Parks & centres

Information Technology Park

An information Technology Park has been proposed to provide the state-of-art facilities for software driven Information Technology and the Telecommunication industry, with modern infrastructure facilities such as

• Modern Interiors / Exteriors.
  
• Latest data and Communication networking facilities and satellite connectivity.
  
• Un-interrupted power supply
  
• Convention facilities
  
• Health club, Recreation, cyber cafes etc

World Trade Centre

The centre proposed to be built on a 20-acre land is expected to boost the nation's trade and commerce besides attracting funds on international funds for infrastructure development and latest technologies from around the world.

Bio-Technology Park

A Biotechnology park is being set up in collaboration with Delhi University with a view to strengthen Research and Development linkages, upgradation of technologies of existing industries and development of high-tech and non-polluting industries in Delhi.

Useful Web links

Government of Delhi