Exp) Option b is the correct answer.

Statement (a) and (c) are correct: A right is essentially an entitlement or a justified claim. It denotes what we are entitled to as citizens, as individuals and as human beings. In most cases the claimed rights are directed towards the state.

Statement (b) is incorrect. Duties are not the claims of citizens against the state. But it is the rights which acts as the claims of citizens against the state.

Statement (d) is correct. At the same time, duties are the moral obligations on the all the citizens towards state. They compel us to think not just of our own personal needs and interests but to defend some things as being good for all of us