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.
Recently in the last few years, the area of Dwarka, especially bet Dwarka is facing demographic changes. As per the sources, I have talked, there are around 8000 Muslims per 10000 populations.