The importance the North Eastern states especially Manipur held since the times of Mahabharata: Arjuna, was killed in Manipurby the king Babruvahana, was brought back to life by another North-Eastern Naga Princess Ulupi.
They accept Urdu which is 90% similar to Hindi to please the Muslims but hate Hindi. The Chennai Corporation runs a quite a large number of Urdu Medium primary schools in Muslim dominated areas.