Final answer:
Sardar Baghel Singh's forces captured Delhi by defeating Shah Alam II during the period of the declining Mughal Empire.
Step-by-step explanation:
Sardar Baghel Singh's forces defeated Shah Alam II to capture Delhi. This event took place in the context of the weakening of the Mughal Empire, which had been experiencing decline since the 18th century. Interestingly, Shah Alam II had previously faced defeat at the Battle of Buxar in 1764 against British and Indian forces under the East India Company, which further weakened Mughal control and allowed for increased foreign influence in Indian territories. Sardar Baghel Singh's forces defeated the Mughal emperor Shah Alam II to capture Delhi. This event took place in 1783 during the Battle of Delhi. The victory of Baghel Singh's Sikh forces marked the beginning of Sikh control over Delhi.