Botanical Survey of India (BSI) Headquarter is located in Kolkata.
The Botanical Survey of India (BSI) was established in 1890 with the objectives of exploring the plant resources of the country and identifying plant species with economic virtue.
In 1954, the Government reorganised the BSI with the objectives of:
Undertaking intensive floristic surveys and collecting accurate and detailed information on the occurrence, distribution, ecology and economic utility of plants in the country.
Collecting, identifying and distributing materials that may be of use to educational and research institutions.
Acting as the custodian of authentic collections in well-planned herbaria and documenting plant resources in the form of local, district, state and national flora.