The first published information of these elephants was found in 1985 [2] There were depredations in the fringe areas, which are part of Guwahati city, the capital of Assam.
Some noteworthy species found includes White-backed vulture, Slender-billed vulture, White-cheeked hill partridges, Grey peacock pheasant, Kaleej pheasant, Greater adjutant stork mostly in flight, Great pied hornbill, Oriental pied hornbill and Green imperial pigeon among many others.
It is spread over in an area of 78.64 square kilometre [9] In November 2017, Assam state police and the Indian Forest Department forcibly removed over 400 families who were living in the sanctuary at the request of the Supreme Court of India.
[11] Police used various methods to disperse protestors of the eviction drive and families living in the sanctuary, including rubber bullets, tear gas, and elephants to destroy illegally built homes.
[13] The incident led to discussions about the rights of the indigenous people many of whom were victims of the forced eviction after being displaced by rampant flooding.