The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India?

1.The right to a healthy environment, construed as a part of Right to life under   Article  21.

2. Provision of grants for raising the level of administration in the Scheduled Tribes under Article 275(1).

3. Power and functions of Gram Sabha as mentioned under Article 243(A).

Select the correct answer using the code given below.

I.A.S. (Pre) 2012