Muhammad Shah also known as Roshan Akhtar was a Mughal emperor of India between 1719 and 1748. He was nicknamed as Rangeela meaning merrymaker by many historians.During his reign, the Mughal empire eventually broke up into a loosely-knit collection of several regional states.
In 1739 the Persian emperor Nader Shah invaded India and defeated Muhammad Shah. India lost the Peacock Throne, along with the Koh-i-Noor and Darya-ye Noor diamonds, to the Persian emperor then.
