Forest Survey of India (FSI) is
an organisation under the Ministry
of Environment & Forests, Government
of India Its principal mandate is to
conduct survey and assessment of
forest resources in the country.
started as an organization called
Pre- Investment Survey of Forest
Resources(PISFR) in 1965 as FAO/UNDP/GOI
Project. The changing information
needs resulted in enlarging the
scope of activities of PISFR and it
was re- organized as Forest Survey
of India in 1981.