Q. Who defeated Raghunath Singh and took control of Deogarh in Nagpur?
Answer: Raghuji Bhonsle
Notes: Raghuji Bhonsle, the Nagpur ruler, defeated Raghunath Singh in 1748 and took over Deogarh, making Burhan Shah a pensioner. He later subdued Nilkanth Shah of Chandrapur. Raghuji played a significant role in expanding Maratha power in Central India during the 18th century.