The Planetarium, named after Dr. Bhim Rao Ambedkar, is located at

The correct answer is (c). The Dr. Bhimrao Ambedkar Planetarium is located in Allahabad, India. It is the largest planetarium in India and one of the largest in Asia. The planetarium was inaugurated in 1992 and is named after Dr. Bhimrao Ambedkar, the chief architect of the Indian Constitution. The planetarium has a seating capacity of 600 people and offers a variety of shows on astronomy, space science, and other related topics. It also has a library and a research center.

The other options are incorrect. Rampur is a city in Uttar Pradesh, India. Lucknow is the capital of Uttar Pradesh. Gorakhpur is a city in Uttar Pradesh, India.