BSF cyclists cover 4,000 km along India-B'desh borders on 50th year of 1971 war By Sujit Chakraborty ( IANS) | Published on Wed, Mar 17 2021 20:33 IST | 6 Views BSF cyclists cover 4,000-km India-B'desh frontiers to remember 50th year of 1971 war. Image Source: IANS News BSF cyclists cover 4,000-km India-B'desh frontiers to remember 50th year of 1971 war. Image Source: IANS News BSF cyclists cover 4,000-km India-B'desh frontiers to remember 50th year of 1971 war. Image Source: IANS News BSF cyclists cover 4,000-km India-B'desh frontiers to remember 50th year of 1971 war. Image Source: IANS News Aizawl, March 17 : The 70-day-long BSF's 'Maitri Cycle Rally' to commemorate the 50th year of the 1971 Bangladesh liberation war victory covering a distance of around 4,000-km along the frontiers of five Indian states culminated in western Mizoram on Wednesday.