Correct Answer : June 1, 1981
* The Forest Survey of India (FSI) was officially formed on June 1, 1981, succeeding the Pre-Investment Survey of Forest Resources.
* This organization operates under the Ministry of Environment, Forests, and Climate Change, with its headquarters located in Dehradun.
* Its main objective is the regular assessment and monitoring of India's forest resources, contributing to sustainable forest management.
* Additionally, the FSI is involved in training, research, and providing extension services, further strengthening its role in conserving India's environmental and ecological heritage.