https://tlp.iasbaba.com/2020/02/day-95-q-1-what-is-the-mandate-of-the-national-investigation-agency-nia-do-you-think-indias-federal-polity-creates-a-hinderance-in-the-effective-working-of-the-nia/
Day 95 - Q 1.What is the mandate of the National Investigation Agency (NIA)? Do you think India’s federal polity creates a hinderance in the effective working of the NIA?