Sir,My parent had purchased a flat in Thane city(maharashtra)jointly from their own earned income in1992.My mother's name 1 & father's 2.My father died in 1994 without making will.Myself,age 60 & my elder brother,who passed away in1998 at the age of 43 are children of our parent.I am staying with my wife & 2 major son in the same flat.My elder son is married.My late brother's widow lives with her 2 major son separately.My one nephew is married.My mother expired in 2016 & she made a will,in which she gifted the same flat to my elder son(her grandson).Now my question is to own this flat legally by my son(her grandson),according to her will, how many release deeds are necessary & from whom.Could it be a single deed mentioning all the person?.Please guide
Prakash