"So far I am concerned haven't received any reply ... But it is not merely a question of West Bengal. Some other states also have not performed their duty. There are quite a number of states," Swarup told reporters on the sidelines of an ASSOCHAM meet here.
He was asked if the Centre had sent a letter to West Bengal seeking cooperation in supplying data and an action plan on Aadhar to ensure 100 per cent enrolment of children.