Following are the provisions : 

1. Article 48 of the Directive principles of State Policy says that state will reform and conserve the environment and will provide protection to wild life. 

2. In the part 4A of article 51 of the constitution, conservation and promotion of the environment has been mentioned. 

3. In article 21, it is said that each person should be prevented from the activities which are harmful for his fife, health and body. 

4. Keeping in mind the need for environment conservation, the article 252 and 253 give us right to make law in this regard.

Keeping in the mind the environment conservation, following acts are passed by constitution:

I. Environment Conservation Act – 1986 : 

This act got president’s approval on May 23, 1986. In, it, for the first time, for violation of fixed rule of pollution, there is a provision of 5 years imprisonment and 1 lakh rupees fine. On continuous violation, there is 5 thousand rupees fine per day and 7 years imprisonment. On the violation of environment-related rules, anyone can file a case in the court in public interest by giving 2 months notice. Under this act, central government has right to close industries and to stop water and electric supply on the violation of the act.

II. Air Pollution (redress and control) Act – 1981 : 

According to this act, the state government with its discretion can declare any area as air pollution control zone. Each industrial unit has to take no-objection certificate from state board. On not obeying the act, industry can be seized.

III. Water pollution (redress and control) Act – 1974 : 

The provisions of this act are associated with pollution-free water. Under this act, rigorous punishment and fine are fixed.

IV. Wildlife (Conservation) Act-1972 : 

The act was passed on September 9, 1972 in which wild life conservation has been removed from the state list and given place in concurrent list. In it provision are made regarding wildlife conservation. There is a provision of 10 years imprisonment on hunting the national animal tiger and national bird peacock.