Q. Which state's capital was Gwalior before Madhya Pradesh's formation?
Answer:
Madhya Bharat
Notes: Gwalior was the capital of Madhya Bharat, a union of princely states merged into Madhya Pradesh in 1956. Vindhya Pradesh's capital was Rewa, Mahakoshal's was Jabalpur, and Bhopal was a separate administrative unit.