New GST Registration - Query regarding documents

HARDIK HINDOCHA (8 Points)

04 July 2022  
1) Place of business is rented premises.
2) landlord is no more, property is not yet transferred in the name of legal heir and rental agreement is entered into between legal heir of deceased (widow) and tenant.
3) Electricity Bill etc are in the name of deceased landlord
4) Registration is to be taken in the name of tenant's wife.

What all documents are required for registration??