BOI ID is made of 16 digits - 1st 8 digits are DP Id number and last 8 digits are Client/customer ID.
* Open the [CDSL website](https://www.cdslindia.com/cas/logincas.aspx)
* Enter your PAN Number
* Enter your BO ID (which is your 16-digit Demat number that's mentioned on your account statement or the app) BOI ID is made of 16 digits - 1st 8 digits are DP Id number and last 8 digits are Client/customer ID.
* Enter date of birth
* Enter the captcha for further validation
* You will receive an OTP on your registered mobile number and email if this information is correct. Enter the OTP received
* Click on submit
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