Explanation

Option C is correct: The Atal Innovation Mission (AIM) is the Government of India’s flagship initiative to foster a culture of innovation and entrepreneurship, established under the administrative umbrella of NITI Aayog:

– AIM oversees programs including Atal Tinkering Labs (ATLs) in schools, Atal Incubation Centres (AICs) for startups, and the Atal New India Challenges (ANIC) to support technology-driven scalable innovations addressing societal challenges.

Therefore, it is set up under NITI Aayog — Option C.