Option a is the correct answer. In 1707 AD, after the death of the Mughal emperor Aurangzeb, his son Bahadur Shah-I succeeded him and ruled untill his death in 1712 AD. He assumed the title of Shah Alam and was known as Shah-i-Bekhabar. This name was given by Khafi Khan because he liked to appease all parties by profuse grants of titles and rewards.