Who was the captain of the Indian hockey men’s team at the Olympics 2020?

Correct option is A

The captain of the Indian hockey men's team at the Olympics 2020 was Manpreet Singh.
 Manpreet Singh is an Indian professional field hockey player who plays as a midfielder for the Indian national hockey team.
 Under Manpreet's captaincy, the Indian hockey team won the bronze medal at the Tokyo Olympics 2020, which was India's first Olympic medal in hockey in over four decades.
 He has also been a part of the Indian team that won the silver medal at the FIH Champions Trophy in 2016.
 He represented India at the 2012 Summer Olympics and was named Asia's Junior Player of the Year in 2014.