Detailed Solution:

The correct answer is “Gaura Devi”.

Gaura Devi came to the forefront of the Chipko movement in 1974. On 25 March 1974, she was told by a young girl that local loggers were cutting trees near their village. The men of Reni village had been tricked out of the village by news that the government was going to pay out compensation for land used by the army.