CDSL TPIN Validity

Zerodha
1
  1. For how many hours does TPIN valid in a day? Does it valid for the whole day once we enter(authorise) TPIN in the morning ?
  2. Do we need to re-enter TPIN(authorisation) in every trade?
2

Once you authorise sell of shares, Authorization is valid for 90 days.

You will have to if you haven’t pre-authorized sell of shares.

You can learn more here.

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