I don’t see an option of BSE and see only NSE, NFO and CDS on the trading platform at trade.zerodha.com
Depends on which segments you signed dude. If you signed for BSE also then they will enable BSE also. Ask their customer care people.
You have to send segment addition form, which is available from there website.Do sign it and send it across to those guys.
you can get BSE Activation / segment addition form from https://zerodha.com/downloads page