- 1951 Year of establishment as SEAT OF INTELLECT (BODHI PEET), at Birati
- 1954 Shifted to Maniktala and Started its two wings one for Male and the other for Female
- 1956 Officially recognized by the Govt. of West Bengal & started receiving Grants
- 1957 Started providing vocational training in an informal way with “Tant & Sewing Machines”.
- 1960 Got recognition from the University of Calcutta as Research Center for Postgraduate students
- 1982-83 Registered under Societies Registration Act, 1961 vide Regn. No. SO036131 of 1982-83 8Registered under Societies Registration Act, 1961 vide Registration No. SO036131 of 1982-1983.
- 1982 A plot of land was allotted by the PWD Department at AQ-16, Sector-V, Salt Lake City, Kolkata-700091
- 1988 Certified as “Juvenile Home” for intellectually disabled or mentally retarded boys and girls under Juvenile Justice Act, 1986.
- 1996 Separate Unit for Male Residents Started residing in the newly Constructed Building at Salt Lake.
- 2013-14 Come under CCTV Coverage
- 2014 Received Ambulance, from Shri Debabrato Bandyopadhyay, M.P., Rajya Sabha under M.P. Lad scheme
- 2014 Installation of Water Meter for Purified Water from JUSCO
- 2019 A Small Recreational Zone was Designed with Sea-Saw, Swings etc. in backside area of home building
- 2021 A Playing and Recreational Set up in Roof
- 2022 Received CSR Fund from LIC Golden Jubilee Foundation for an Ambulance
- 2023 Purchasing of 12 Katha Land with a Partially Constructed Building at Madhyamgram
- 2024 New Ambulance donated by LIC Golden Jubilee Foundation