If your Bank of India account is more than 1 month old and you still can’t log in to the BOI Star Rewardz account, then you need to email your details to:
membersupport@boistarrewardz.com in the following format.
1. Account Holder Name
2. Date of Account Opening
3. Card Type
4. First 6 and Last 4 Digits of Your Card
Hope this helps! XD