Shah Jahan was the 3rd Mughal Emperor and one of the 4 great Mughal rulers. At the time the Mughal empire was much wealthier than England, though Europeans had

Shah Jahan was the 3rd Mughal Emperor and one of the 4 great Mughal rulers. At the time the Mughal empire was much wealthier than England, though Europeans had been in India for a long time now. Arguing over what GDP means doesn't really matter for setting the context of Shah Jahan's empire. It's not like contemporaries at the time had a precise method of measuring these things either.