Nse Timings What Is The Use Of Post-closing Session On NSE/BSE? Can We Buy/sell Equities During Post-closing Session?

What is the use of post-closing session on NSE/BSE? Can we buy/sell equities during post-closing session? - nse timings

I get no post-meeting near the site of my broker. What is the purpose of having? Can anyone tell me the same thing?