Banning of diesel cars in National Capital Region by the Supreme Court is an example of which kind of environment?

Legal environment

The correct answer is option 1- Legal environment.

Banning of diesel cars in National Capital Region by the Supreme Court is an example of legal environment. It involves a legal decision made by the judiciary that directly impacts environmental policies and regulations related to vehicle emissions. 

Legal environment includes various legislations passed by the Government administrative orders issued by government authorities, court judgments as well as the decisions rendered by various commissions and agencies at every level of the government—centre, state or local.