A great majority of speakers of BPM fled from Manipur .
A great majority of speakers of BPM took refuge in Assam , Tripura , Sylhet and Cachar during the eighteenth and nineteenth centuries due to internal conflicts among the princes of Manipur and due to Burmese attack .
A great majority of speakers of BPM fled from Manipur and took refuge in Assam , Tripura , Sylhet and Cachar during the eighteenth and nineteenth centuries due to internal conflicts among the princes of Manipur and due to Burmese attack .