In my return flight had a curious co-passanger from Shillong who was interest to know what I do. When I said that we source some agriculture produce from this region, he says it's grown in abundant in this state and every year during the harvest season people from Rajasthan come for buying it!
Marwari community has been in north-East for almost 2 Centuries now. It's strange the level of disassociation which the native residents still feel. Could it be a one off experience or a popular sentiment is something readers from NE can tell.