Transfer of title in immovable property after husbands death?

Husband died leaving behind a flat, nominating his wife and minor daughter in the ratio 75:25. Accordingly society has transferred shares to the nominees. Does that give a clear title in the flat to the wife? Or does she require to execute a document of transfer to get title? Is stamp duty required to be paid & how much? Market value of flat is Rs.35 lacs.

How to transfer the property rights?

A window wants to transfer husband’s (immovable) property under her name after the death of her husband. The husband died without leaving a Will. They have two son . What would be the legal procedure to claim the rights? What documents are needed to show that the son are not interested in their share of the property?