The main purpose of 'Ganga Action Plan' project, launched in 1985, was:

Explanation

The idea of cleaning river Ganga was initiated by the Government of India in 1979, however, the Ganga Action Plan could only be initiated in 1985 after a comprehensive survey of the river Ganga by CPCB. n The objective, at the time of launching the Ganga Action Plan in 1985, was to improve the water quality of Ganga to acceptable standards by preventing the pollution load from reaching the river.