[21] Ravi Kumar Dahiya and Bajrang Punia won silver and bronze respectively in the men's freestyle wrestling for India's fifth and sixth Olympic medals in the sport.

She beat compatriot Ankita Bhakat to claim the final Olympic quota spot in the recurve qualification event held at the 2019 Asian Archery Championships in Bangkok, Thailand in November 2019.

[28][29] The Indian archery squad was officially announced on 8 March 2021, consisting of the men's team of Atanu Das, Pravin Jadhav and Tarundeep Rai and the lone woman archer Kumari, with the last two participating in their third Olympic Games.

[34] In the mixed team event held on 24 July, India defeated Chinese Taipei in the round of 16 before losing to eventual gold medalists South Korea in the quarterfinals.

[43] Irfan Kolothum Thodi was the first Indian athlete who qualified for the Games after he achieved the qualification time for the men's 20 km walk event at the Asian Race-Walking Championships at Nomi, Japan in March 2019.

Bhawna Jat was the first Indian woman athlete to secure qualification for the Games after she clocked a time of 1:29:54 at the 2020 National championships to finish within the OQS of 1:31:00 for the women's 20 km walk event.

[44] Avinash Sable achieved the qualification standard of 8:22.00 for the men's 3000 m steeple chase when he clocked 8:21.37 in the IAAF World Athletics Championships in Doha, Qatar.

Tajinderpal Singh Toor qualified for the men's shot put after achieving the Olympic standard with an Asian record throw of 21.49 m in the Indian Grand Prix event in June 2021.

[56][58] In the men's relay event, the Indian team set a new Asian record with a time of 3:00.25 but finished fourth in their heats to miss the qualification by less than a second.

[73] In the men's singles events held at Musashino Forest Sport Plaza, Sai Praneeth was eliminated from the competition after losing both his opening round matches.

[74] In the men's doubles, the Indian pair won two matches including the only victory over the eventual gold medalists Lee Yang and Wang Chi-lin of the Chinese Taipei and lost one in the group stage.

The list included 2012 bronze medalist and six-time world champion Mary Kom in the flyweight category apart from Simranjit Kaur (lightweight), Lovlina Borgohain (welterweight) and Pooja Rani (middleweight).

[84] In the super heavy weight category, Kumar won his first bout against Jamaican Ricardo Brown before losing to Uzbek Bakhodir Jalolov in the next round by a unanimous point decision.

[88] Borgohain won her first round against Nadine Apetz of Germany in a 3-2 split decision before defeating Chen Nien-chin of the Chinese Taipei in the quarterfinals.

[98] C. A. Bhavani Devi earned a spot in the women's sabre event as one of the two highest-ranked fencers from the Asia-Oceania region in the FIE adjusted rankings.

[131] Legend: T = Tied As per the International Gymnastics Federation (FIG), NOCs that have qualified teams were allowed to enter four members the individual events.

[132] Indian gymnast Pranati Nayak secured the last of two available berths in the women's individual all-around competition from the Asian region based on the 2020 Continental Championships.

[149] India qualified one boat in the men's lightweight double sculls for the Games by winning the silver medal and securing the first of three berths available at the 2021 FISA Asia & Oceania Olympic Qualification Regatta held at Tokyo in May 2021.

[167][168] At the 2018 ISSF World Shooting Championships held in September 2018 in Changwon, South Korea, Anjum Modgil and Apurvi Chandela secured India's first two quotas for the women's 10 m air rifle event by finishing second and fourth respectively.

Abhishek Verma secured a second quota in the same category after he won the gold medal at the ISSF World Cup held at Beijing.

[174][175] Similarly in the mixed event, Chaudhary teamed with Bhaker to qualify on top with a score of 582 but finished in seventh place in the final standings.

[184][185] In the men's 200m butterfly event held on 26 July, Prakash registered a time of 1:57.22 in the second heat to be ranked 24th amongst the 36 swimmers and did not progress to the next round.

Sathiyan Gnanasekaran and Sutirtha Mukherjee won the men's and women's singles categories while three-time Olympian Sharath Kamal and 2018 Commonwealth Games champion Manika Batra secured the remaining spots as the highest-ranked eligible table tennis players in the same competition.

[193][195] In the mixed doubles, the Indian pair of Kamal and Batra lost in straight sets to Lin Yun-ju and Cheng I-ching of Chinese Taipei in the opening round.

[207] Legend: W = Win; L = Loss As per the guidelines set by the International Weightlifting Federation (IWF), each NOC was allowed to enter a maximum of eight competitors with four per gender.

[224][225] In the women's 62 kg event held on 3 August, Sonam Malik was eliminated after losing her initial round of 16 bout to Khürelkhüügiin Bolortuyaa of Mongolia.

As losers to eventual finalists were allowed to compete in a repachage round for bronze, she faced Valeria Koblova in the initial repechage bout but lost to her by a scoreline of 1–3.

[226][228] In the men's 57 kg event held on the same day, Dahiya won against Óscar Tigreros of Colombia in the first round and Georgi Vangelov of Bulgaria in the quarterfinals by technical superiority and qualified for the semifinals.

[226][231] In the women's 50 kg category, Bisla lost her opening bout to Sarra Hamdi of Tunisia on her Olympic debut and was eliminated from the competition.

[226][232] In the men's 65 kg category, Bajrang Punia secured a first round victory over Ernazar Akmataliev of Kyrgyzstan by countback after the scores were tied.