Hi @Piyush_A, today exchanges are holding two special sessions. First from 9:15 AM to 10 AM, this will be held fr primary site of the exchange.
For the second session, exchanges will switch over to their back up site (Disaster Recovery site). This second session will be held from 11:30 AM to 12:30 PM.
During the switch over ther are chances that of your executed trades getting cancelled. In that situation, trades that are closed during first session will be reopened during second session and you will have to close these positions again if you wish to do so.
Please check this post for more information: Special live trading session on Saturday, March 2, 2024