Silent Valley has a story of surviving the encroachment into the environment. The book ‘Silent Valley: Oru Paristhithi Samarathinte Charithram’ penned by Saji James narrates the story of Silent Valley which was declared as National Park in 1985.

The book had won Kerala Sahitya Akademi award. It offers a complete history of the largest public protest that took place in the state in the post-Independence era.
The government dropped a dam project after common people and eminent personalities including environmentalists, writers, cultural leaders and artistes fought for nature. Following this, Silent Valley was declared as National Park.