National Stock Exchange was recognized as stock exchange in which year?

1993

The correct answer is option 2- 1993.

 The National Stock Exchange is the latest, most modern and technology driven exchange. It was incorporated in 1992 and was recognised as a stock exchange in April 1993. It started operations in 1994, with trading on the wholesale debt market segment. Subsequently, it launched the capital market segment in November 1994 as a trading platform for equities and the futures and options segment in June 2000 for various derivative instruments.