Central Government Organisation Botanical Survey of India April 8, 2013 / September 25, 2014 by | Leave a Comment Botanical Survey of India Address: CGO Complex, 3rd MSO Building, Block F(5th & 6th Floor), DF Block, Sector I, Salt lake City, Kolkata – 700 064 Phone No.: (033) 23344963(Director) (033) 23214050 (033) 23218992 Fax No.: (033) 23346040 (033) 23215631 Website:bsi.gov.in Read more » Address of Botanical Survey of India. Botanical Survey of India. Delhi Address of Botanical Survey of India. Email of Botanical Survey of India. Phone no Botanical Survey of India. Website of Botanical Survey of India. what is Botanical Survey of India. what is the work of Botanical Survey of India.