The Oil and Natural Gas Commission (ONGC) was set up in

The correct answer is (a) 1956.

The Oil and Natural Gas Commission (ONGC) is an Indian state-owned oil and gas company. It was set up on 14 August 1956 by the Government of India to undertake the exploration, development and production of oil and natural gas in India. ONGC is the largest oil and gas company in India and the fourth largest in Asia. It has a workforce of over 35,000 people and operates in over 20 countries.

The other options are incorrect because:

• (b) 1957: This is the year in which the Oil and Natural Gas Directorate (ONGD) was set up. ONGD was the precursor to ONGC.
• (c) 1959: This is the year in which ONGC discovered oil in India for the first time.
• (d) 1961: This is the year in which ONGC was corporatized.