Explanation
The correct answer is (B) 1985.
The Ganga Action Plan (GAP) was launched in 1985 by the Government of India with the aim of cleaning and rejuvenating the Ganges River (also known as the Ganga River). The plan was implemented to address the pollution and degradation of the river caused by various human activities, including industrial waste, sewage discharge, and deforestation along the riverbanks. The Ganga Action Plan aimed to improve the water quality of the Ganges and restore its ecological balance.
