How to unlock CDSL TPIN?

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If you have forgotten or misplaced your CDSL TPIN, you can regenerate it on the CDSL website ( However, if your TPIN is permanently locked, you need to request your broker or DP to unlock it. You need the below details handy to change your CDSL TPIN;

  • BO ID (Beneficiary Owner Identification Number)
  • PAN (Permanent Account Number)
  • Access to your email id registered with CDSL
  • Access to the mobile number registered with CDSL


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