Comment on POA - Power of Attorney for your Demat account
Debanjan, 1) It’s not required for intraday.
2) Yes, you can.
3) You can but without sending your POA you will only be able to buy shares for delivery but not sell them. In order to enjoy the full benefits of your Zerodha account, it is always better if you send your demat authorization (POA). 🙂