Kathmandu, Aug. 23 -- The 4,156km border between India and Bangladesh is the fifth longest land border in the world - even longer than the 3488km India-China border. They inherited the boundary from the British days, and it follows the 'Radcliffe Line' as defined by the British architect and chairman of the Border Commissions Sir Cyril Radcliffe during partition in 1947 based on Hindu-Muslim demographics.

After the 1971 Liberation War when East Pakistan became Bangladesh, a Land Boundary Agreement (LBA) was signed by Indian Prime Minister Indira Gandhi and Bangladesh's founder Sheikh Mujibur Rahman three years later. However, it was ratified only in 2011 by India, and a revised version was signed in Dhaka in 2015.

The India-Bangladesh b...