In each of these questions, a sentence has been divided into four parts and marked a. b, c and d. One of these parts contains a mistake in grammar Idiom or syntax. Identify that part and mark it as the answer.
On entering the meeting hall
loud cheers greeted the Prime Minister
who acknowledged them with a smile
and waved back happily at the gathering
Correct Answer :
A. On entering the meeting hall
On his entering the meeting hall