Dhaka, Dec. 16 -- Known for his anti-India rhetoric, Hasnat Abdullah, leader of Bangladesh's newly-formed student-led political outfit, National Citizen Party, on Monday threatened New Delhi that should it "cause instability" in Bangladesh, then Dhaka would isolate India's north-eastern belt, collectively known as the 'Seven Sisters.'Comprising the northeastern states of Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura, the juncture is a geographically sensitive area, as they are connected to the rest of the mainland by a tiny stretch in West Bengal's Siliguri Corridor called the 'Chicken's Neck'.

Speaking at an all-party protest rally organised by Inqilab Mancha at Dhaka's Central Shaheed Minar, NCP Southern Ch...