BO ID (Beneficiary Owner Identification Number) is the same as your demat account number. To check the same,
- Go to profile section from top right corner of your home screen
- Click on Account details
- Click on View DP/demat profile. You will be redirected to Kotak Securities website, where you can view your DP account number
Or
- Login to Kotak Neo
- Go to Profile
- Click on Additional Services
- Tap on Service & Support
- Raise a Service Request
- Raise a DIS request