The accounts Tulsi Bhagat and Tulsi Aryan both contributed to Wikidata.
All three contributed to Commons.
A merge would mean here to edit the database to edit username information for two of the three accounts to match the third.
Such database manipulation is considered as a dangerous operation, and as such, is not performed.
What we did in the past (rename only)
During the SUL migration, stewards and local bureaucrats renamed accounts to allow to create a coherent global account.
But here the request is different, you want on each wiki to merge contributions between accounts.
You can do the following:
- Ask to rename the main account Tulsi Bhagat to TBhagat if desired
- Note on the userpage of other accounts this is a previous legacy account for Tulsi Bhagat (or for TBhagat)
- Redirect talk pages
As such, as there is a fairly usable alternative, and as there is a risk to corrupt database, I'm sorry we aren't going to risk to corrupt histories and logs to honour such request.