Comment on Basics on Options Shorting/Writing
Sorry cool, had missed this.
1. Yes, you will have to have all that you intend to pledge in the demat account with us.
2. When you pledge a MF, ETF, or Stock, it is pledged with NSE, and as long as it is pledged you will not be able to sell it. To sell it, you will have to first put a request to unpledge and only then will you be allowed to sell.
3. Presently you can buy/sell any ETF, debt/liquid fund through the terminal itself. When you want to exit, you will have to first unpledge and sell it on the terminal.
Cheers,