It will not be right to link Assam's problem with the whole country. The problem of infiltration there has been going on for a long time, there has been a movement for 6 years against it. Due to this infiltration, the Rajiv Gandhi government had to enter into an agreement in 1985 under which the March 25, 1971, to identify the intruders has been considered as a cut-off date, which became the basis for implementing the NRC in Assam.