The Birbal Sahni Institute of Palaeobotany (BSIP) is an autonomous institute constituted under the Department of Science and Technology, GoI. The institute is located at Lucknow, Uttar Pradesh and is a seat of higher learning in the field of plant fossil research. The BSIP, established in 1946, was an outcome of vision of the renowned Indian botanist Prof. Birbal Sahni.