The correct answer is (b) and (c) only. Explanation & Key Takeaways: Holkars: • The Holkar dynasty was an Indian Maratha clan of Dhangar origin. • Malhar Rao Holkar was a Marathi chief who worked for Peshwa Baji Rao. He established the rule of the dynasty over Indore. • The Holkars served as generals under Peshwa Baji Rao I and later as Maharajas of Indore in Central India as an independent Maratha Empire member until 1818. • Their kingdom later became a princely state under British India's protectorate. • During the Indian Rebellion of 1857, Holkars were loyal to the British East India Company. • House Gwalior remained faithful to the British during the revolt and did not extend his support to the rebels. • Indore was the main centre of revolt in the Malva region, where Saadat Khan led the Holkar regiment against Colonel Durand. • Whereas, the revolt in Mahu was led by Murad Ali Khan.