The document explains the concept of writs in Indian law, which are formal orders issued by courts to protect citizens' fundamental rights as per Articles 32 and 226 of the Constitution. It details the five types of writs: habeas corpus, mandamus, prohibition, certiorari, and quo-warranto, along with their definitions and conditions for issuance. Additionally, it contrasts public interest litigation with private interest litigation, highlighting their differences in purpose, process, and involvement.