The correct answer is A. Mahendra Singh Dhoni.
Mahendra Singh Dhoni is a former Indian international cricketer who captained the Indian national team in limited-overs formats from 2007 to 2017 and in Test cricket from 2008 to 2014. He is widely regarded as one of the greatest captains in the history of cricket.
Sunita Williams is an American astronaut and engineer. She was the first Indian-born woman to go into space. She has flown on four space shuttle missions and has logged over 500 hours in space.
Kalpana Chawla was an Indian-American astronaut and engineer. She was the first Indian woman in space. She was killed in the Space Shuttle Columbia disaster in 2003.
Rakesh Sharma was the first Indian to go into space. He was a part of the Soviet Interkosmos program and flew on Soyuz T-10 in 1984.
The person who does not belong to the group is Mahendra Singh Dhoni. The other three people are astronauts who have flown in space. Mahendra Singh Dhoni is a cricketer.