What are the aims of the 'Forest Conservation Act' in India ?

There can be many aims of forest conservation in India and that are :
1. forest conservation enlightens the mind of many people about the importance of animals.
2. if there wouldn't be forest then there won't be any fresh pure Oxygen for human beings for their consumption
3. if so of the precious wildlife will diminish or simply extinct then our future generations will be totally unaware of them.
now all last "save our wildlife"