Questions

The council of ministers is collectively responsible to House of the People. Cabinet collective responsibility, also known as collective ministerial responsibility, is a constitutional convention in Parliamentary systems that members of the cabinet must publicly support all governmental decisions made in Cabinet, even if they do not privately agree with them.

The term PIL refers to Public Interest Litigation.

Public Interest Litigation was originated in United States in 1980's. 

Public Interest Litigation is directly filed by an individual or group of people in the Supreme Court of India and High Courts and judicial member.  This petition is accepted by the court only if there is interest of large public involved. Generally this petition is filed by a public spirited person or organisation, if it was felt that certain interests are undermined by the government.