Veena is siter-in-law of Ashok means Ashok is the brother of Veena's husband. But Ashok has only one brother,Sudeep. So, Sudeep is Veena's husband. Kalyani is mother-in-law of Veena means Kalyani is the mother-in-law of Veena's husband i.e., sudeep. Since, Ashok is Sudeep's brother, so Kalyani is Ashok's mother.
K is the brother of N and X. So, Y, who is the mother of N and Z, who is the father of K, will be mother and father of N, K and X of whom K is a male. Thus,K is the son of Y and Z, and Y is the wife of Z. But, N is either brother or sister of X.
Shobha is the niece of Ashish means Ashish is the uncle of Shobha. Now, Priya is Ashish's mother. So, Priya is the grand mother of Shobha. Hari is Priya's father. So, Shobha is the greatgrand daughter of Hari.
E is married to A or D. But, S is married to D. Thus, E is married to A. Thus, A, B, D, E are the four adults and C, F, G are the three children in the family. B and D have a child G. A and E have two children---C and F. Now, only F and G are girls. So, C is a boy. Thus, C is A's or E's son.
P, Q, R are children of same parents. So, S, who is R's mother and T, who is P's father will be mother and father of all three. However, it is not mentioned whether Q is male or female. So,(5) cannot be definitely true.
Q is the paternal uncle of B, means Q is the brother of P's father. P is the son of Q. So, B's father and P's father are brothers. Also, M is the paternal uncle of P, means M is the brother of P's father. So, M is the father of B. Since A is the wife of M, so A is the mother of B.