A is Father , B is Elder son (mentally ill... not by birth but because of an incident) , C is Younger son.
A heired the ancestoral property after his fathers death... B is mentally ill... for which C took the advantage of B's problem and made A against B and B's family... and made A to write the entire ancerstoral propertys Will in name of his wife and his sons.
A is my grandfather
B is my father
C is my chacha
what can i do in this case... please suggest sir.