Which Indian Prime Minister launched the Ganga Action Plan?

Rajiv Gandhi was the Prime Minister who launched the Ganga Action Plan.

Ganga Action Plan abbreviated as (GAP) is one of the longest and ambitious government interventions which have significantly influenced policies for controlling water pollution in India. The Ganga Action Plan was launched to alleviate the pollution levels of the river Ganga.

For more relevant articles refer to the links given below:

• UPSC Environment and Ecology Questions
• National Ganga Council
• UPSC Environment and Ecology