Among her children, Ganga’s favourites are Ram and Rekha. Rekha is the mother of Sharat, who
is loved most by his uncle Mithun. The head of the family is Ram Lal, who is succeeded by his
sons Gopal and Mohan. Gopal and Ganga have been married for 35 years and have 3 children.
We draw the flow chart of given information as follows, circle around the alphabet indicates that that person is a lady.
There is no relation between Mithun and Mohan. So d is the answer.