Over the past 20 years, more than 1,000 people have been killed, according to Human Rights Watch.
1 October 2015 GMT+3
In Tripura, residents say barbed-wire barrier keeping out migrants threatens livelihoods - and their cultural spirit.
6 June 2015 GMT+3
Agreement signed in Dhaka to allow people living stateless in border enclaves finally to choose their nationality.
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