legislative assembly are directly elected from territorial constituencies in the NCT. The legislative assembly was abolished in 1956, after which direct federal control was implemented until it was re-established in 1993. The Municipal corporation handles civic administration for the city as part of the Panchayati Raj Act. The Government of India and the Government of National Capital Territory of Delhi jointly administer New Delhi, where both bodies are located. The Parliament of India, the Rashtrapati Bhavan (Presidential Palace), Cabinet Secretariat, and the Supreme Court of India are located in the municipal district of New Delhi. There are 70 assembly constituencies and seven Lok Sabha (Indian parliament's lower house) constituencies in Delhi. The Indian National Congress (Congress) formed all the governments in Delhi until the 1990s, when the Bharatiya Janata Party (BJP), led by Madan Lal Khurana, came to power. In 1998, the Congress returned to power under the leadership of Sheila Dikshit, who was subsequently re-elected for 3 consecutive terms. But in 2013, the Congress was ousted from power by the newly formed Aam Aadmi Party (AAP) led by Arvind Kejriwal forming the government with outside support from the Congress. However, that government was short-lived, collapsing only after 49 days. Delhi was then under President's rule until February 2015. On 10 February 2015, the Aam Aadmi Party returned to power after a landslide victory, winning 67 out of the 70 seats in the Delhi Legislative Assembly. Economy Delhi is the largest commercial center in northern India. recent estimates of the economy of the Delhi urban area have been around $370 billion (PPP metro GDP) ranking it either the most or second-most productive metro area of India. The nominal GSDP of the NCT of Delhi for 2016–17 was estimated at , 13% higher than in 2015–16. As per the Economic survey of Delhi (2005–2006), the tertiary sector contributes 70.95% of Delhi's gross SDP followed by secondary and primary sectors with 25.20% and 3.85% contributions, respectively. Delhi's workforce constitutes 32.82% of the population, and increased by 52.52% between 1991 and 2001. Delhi's unemployment rate decreased from 12.57% in 1999–2000 to 4.63% in 2003. In December 2004, 636,000 people were registered with various employment exchange programmes in Delhi. In 2001 the total workforce in national and state governments and the quasi-government sector was 620,000, and the private sector employed 219,000. Key service industries are information technology, telecommunications, hotels, banking, media and tourism. Construction,