As part of Intended Nationally Determined contributions, Indian government through additional forest and tree cover has resolved to create an additional carbon sink (in terms of carbon dioxide equivalent) by year 2030 to the extent of (A) 3.5 to 4 billion tons (B) 2.5 to 3 billion tons (C) 1.5 to 2 billion tons (D) 1 to 1.5 billion tons