Answer : 2. "स्टॉक एक्सचेंजों"
Explanation :

Solution: IRRA has been jointly developed by all the stock exchanges – BSE, NSE, NCDEX, MCX and Metropolitan Stock Exchange of India (MSE) and launched by Securities and Exchange Board of India (SEBI) Chairperson Madhabi Puri Buch. I went. Investor Risk Reduction Access (IRRA) acts as a protective measure for investors in case of technical issues experienced by a trading member or a stockbroker registered with SEBI.