BIRD was registered as a Society on 10-01-1998 under the Societies Act XXI of 1860 with its registered office at 223, Prag academy Building , R.G.Baruah Road , Guwahati – 24, district Kamrup , Assam. Regd. No: KAM/240/G/498 of 1997-98. NITI Ayog Registration No. AS/2018/0184836. The NGO is also registered under the Ministry of Home Affairs, Govt. of India (for foreign contribution) FCRA No. 020780071 dtd. 14-01-2012. And Registered 80-G 5 (vi) and 12-A of Income Tax.