In which year the Government of India has launched the National Mission for Clean Ganga?

Correct option is E

The National Mission for Clean Ganga (NMCG) was actually launched in 2014 as part of the Namami Gange Programme to clean and rejuvenate the Ganga river. While there were earlier initiatives to address the pollution of the Ganga (like the Ganga Action Plan in 1986), the formal launch of the NMCG took place in 2014, not in the years listed in the options.
Information Booster: The National Mission for Clean Ganga (NMCG) is an important initiative by the Government of India under the Namami Gange Programme to address the pollution levels in the Ganga river. It focuses on activities such as sewage treatment, riverfront development, and public awareness to restore the ecological health of the river. The program was launched in 2014, with the aim of making the Ganga clean and rejuvenating its water quality.