Removing name from legal heir certificate
I have a question regards to removing name from legal heir certificate .
My uncle(my mother brother) died due to illness and his wife was went to his mother's home while my uncle is was thereafter my uncle death without informing my grandmother(my uncle mother) she got legal heir certificate by showing her and my grand mother name in that. With that certificate she replaced her name in patta instead of my uncle. After my uncle death she got married and now she is having kid(second husband kid)for my uncle no kid. now we want to remove her name from legal heir certificate. What is the procedure for removing her name from certificate.