Answer:
The condition of India with its incompetent rulers, weak administration and poor military strength attracted foreign invaders. Nadir Shah, the ruler of Persia, attacked Punjab in 1739. Mohammad Shah was easily defeated and imprisoned. Nadir Shah marched towards Delhi. Nadir Shah was a ferocious invader
Step-by-step explanation:
He massacred thousands of people in Delhi. Delhi looked deserted for days. Mohammad Shah, however, was reinstated on the throne. Nadir Shah carried with him the Kohinoor diamond and the Peacock throne of Shah Jahan. By plundering a big city like Delhi, he got enormous wealth.