Answer : 2. "पर्यावरण, वन और जलवायु परिवर्तन मंत्रालय"
Explanation :

The Ministry of Environment, Forest and Climate Change has launched a Green Credit Programme, where an individual or entity can earn Green Credits and trade it on a dedicated exchange. Green credit refers to a unit of incentive provided for a specified activity to have a positive impact on the environment. This program is a follow up of the ‘LiFE’-(Lifestyle for the Environment) campaign.