did their empire decline?
Yes - during Muhammad Shah's reign, vast tracts of central India passed from Mughal to Maratha hands.
Mughal Empire
During the reign of Muhammad Shah (reigned 1719–1748), the empire began to break up, and vast tracts of central India passed from Mughal to Maratha hands.
when did new delhi became the capital of india 13 February 1931 where is this place located? Indo-Gangetic Plain what is the total population of this place? New Delhi city has a population of 257,803 while New Delhi district has a population of 142,004. where is its name first believed to have originated? One of them is derived from "Dhillu" or "Dilu", a king who built a city at this location in 50 BCE and named it after himself. who were some of its settlers during the ancient time? the Pandavas, Mughals who was the first ruler of the latter's empire? Babur
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Mughal Empire [SEP] Decline (1707–1857)
Aurangzeb's son, Bahadur Shah I, repealed the religious policies of his father and attempted to reform the administration. "However, after his death in 1712, the Mughal dynasty sank into chaos and violent feuds. In 1719 alone, four emperors successively ascended the throne". During the reign of Muhammad Shah (reigned 1719–1748), the empire began to break up, and vast tracts of central India passed from Mughal to Maratha hands. The far-off Indian campaign of Nadir Shah, who had previously reestablished Iranian suzerainty over most of West Asia, the Caucasus, and Central Asia, culminated with the Sack of Delhi and shattered the remnants of Mughal power and prestige.