In India, during _____, the joint forest management concept was introduced.

Concept: Joint Forest management is also known as JFM. JFM is a contract that clarifies the authority and benefits between the villages and the state forest department. In India, during the 1980s, the joint forest management concept was introduced.

Joint forest management is a partnership between the state forest department and the local communities. This concert was introduced in Bengal in the early 1980s.

Hence, the correct answer is option B.