A TPIN (Transaction Personal Identification Number) is like an ATM PIN that you use to authorize selling from your . It is generated by the depository and will be sent by CDSL to your registered mobile number and email address.

Once generated, you can use the same TPIN to authorize all your sell . Also, if you’ve entered your TPIN for a sale today, it is valid for that entire trading day. You will need to enter your TPIN again only if you’re selling shares after that day.