Find the person who does not belongs to the group –

Pentala Harikrishna
Vishwanathan Anand
Saina Nehwal
Koneru Hampi

The correct answer is C. Saina Nehwal.

A. Pentala Harikrishna is an Indian chess grandmaster.
B. Vishwanathan Anand is an Indian chess grandmaster and former world champion.
D. Koneru Hampi is an Indian chess grandmaster.

Saina Nehwal is an Indian badminton player. She is the first Indian to win a medal at the Olympics, the first Indian to win the World Championship, and the first Indian to become the World No. 1 in badminton.

The other three options are all Indian chess grandmasters.