@algo_trading_50 i received a call regarding the linking mentioning that i can raise a tkt and it can be done from the backend team. But when i raised a request from Angelone app - they mentioned it is not possible. I called their customer support - they also mentioned it is not possible. I could not get a direct support mail for smartapi - but there are differing communications. So a bit confused here.
In the details you have shared - it mentions to fill the family form but that looks to be for registering an account with same mobile number/email id. I can't find any communication about linking family accounts on same IP.