What is BO ID in Zerodha?

8-Digit Number to Identify a Unique Demat Account Number 

How to Find BO ID in Zerodha?

Step 1: Login to the Zerodha Kite Website or Mobile App.

Step 2: Click on the profile ID on the top right corner.   

Step 3: You will find your 16-digit BO ID. (First 8 digits are  DP ID and the next 8 digits are BO ID.