Rimal founded a creative organization called "Praja Panchayat" to oppose the Rana rulers and was imprisoned on several occasions for his involvement in the movement.

He played a pivotal role in making the 1950–52 Democratic Movement successful, but became disillusioned, and "felt betrayed by the factional strife.

His dreams of a democratic Nepal shattered, Rimal subsequently lost his mental balance and was sent to an asylum in Ranchi.

He also awarded with the Tribhuwan Pragya Puraskar in 1973 A.D. Gopal Prasad Rimal's "Aama ko sapana" literally 'Mother's Dream' is a popular poem in Nepal.

[3] Poet Banira Giri was "first woman to be awarded a Ph.D. by Tribhuvan University for her thesis on the poetry of Gopal Prasad Rimal.