Here's the roundup:
London Games bronze winner Saina Nehwal and two-time World Championship bronze medallist, PV Sindhu made a resounding start to their badminton campaign at the Rio Olympics but it turned out to be a dismal day for the Indian doubles players, here today.
Former World No. 1 Saina staved off a spirited challenge from World No. 73 Brazilian girl Vicente Lohaynny 21-17, 21-17 in a women's singles match which lasted 39 minutes at the
The World Championship silver medallist Indian will next take on World No. 61 Maria Ulitina of Ukraine in a Group G match on August 14.
The 26-year-old from Hyderabad took 20 minutes to pocket the opening game before sealing the issue by wrapping up the second game in 19 minutes.
Ninth seed Sindhu too had a good day in office as she spanked Laura Sarosi of Hungary 21-8, 21-9 in a Group M women's singles match that lasted for 27 minutes.
She will play against Glasgow Commonwealth Games champion Li Michelle of Canada on August 14 to complete the preliminary group engagements.
Sindhu didn't break any sweat against her World No. 64 rival as she took 13 and 14 minutes to wrap up the first and second games.
Earlier, the Indian combination of Jwala Gutta and Ashwini Ponnappa was off to a disappointing start in the women's doubles event, losing 15-21, 10-21 to the World No.1 Japanese pair of Ayaka Takahashi and Misaki Matsumoto in a match which lasted 36 minutes in their Group A opener.
The Indians will next be up against the world No.11 Dutch pair of Eefje Muskens and Selena Piek in their second group clash tomorrow.
In the men's doubles competition, Manu Attri and B Sumeeth Reddy lost 18-21, 13-21 to World No.2 Indonesian duo of Mohammad Ahsan and Hendra Setiawan.
Manu and Sumeeth fought hard in the opening game before running out of steam. They will be facing the World No. 5 Chinese pair of Biao Chai and Wei Hong.
Indian boxer Shiva Thapa was beaten by Cuba's Robeisy Ramirez 0-3 in his men's Bantam weight (56kg) category at the Rio Olympics here on Thursday.
Shiva was on the backfoot from the very beginning of the contest in Pavilion 6 at the Riocentro and was well beaten on points, losing all three rounds.
The first round was won by the Cuban boxer 10-9, after some heavy hitting, in an unanimous decision by all the three judges.
Robeisy, the gold medal winner at the 2012 London Olympics in the flyweight category, continued his strong show to win the second round too, getting 10 from all the three judges while Shiva got 8,9 and 9.Defeat in the first two rounds effectively ended Shiva's chances.
And Robeisy completed the rout, easily winning the third round too, with a 30-26 margin.
India's men's hockey team was beaten by the Netherlands 1-2 as it lost its second match in four Pool B games in the Olympics here on Thursday.
Rogier Hofman's 32nd minute goal was cancelled out by Indian drag-flicker Raghunath in the 38th minute. Penalty corner specialist Mink van der Weerden scored the winner for the Dutchmen in the 54th minute.
Despite the loss, India remained in the third spot with six points, while the Netherlands moved to the top spot with 10 points. India will play Canada in their final pool game where only a win or draw will take them to the quarter-finals.
Deepika Kumari and Bombayla Devi were beaten in their 1/8 Eliminations round of the Women's Individual category, ending India's campaign in women's archery at the Rio Olympics here on Thursday.
Deepika went down to Taipei's Ting Tan Ya 80-87 (27-28, 26-29, 27-30) at the Sambodromo arena.Later, Bombayla lost to Alejandra Valencia of Mexico 102-104 (26-28, 26-23, 27-28, 23-25).
Deepika was meeker of the two in their contrasting defeats.The 22-year-old started the match with a nine pointer, following it up with an eight and 10.But the cumulative 27 points in the first set were not enough for her to win as Tan Ya-Ting proved superior to take the first set. She scored 10, nine, nine to make it 28.
In the second set, Deepika totally lost her rhythm and scored 26 points to lose the set 26-29.The third set saw Deepika gaining her confidence with three straight nine pointers, but the Chinese-Taipei scored perfect 30 to clinch the issue.
Deepika defeated the higher ranked Kristine Esebua of Georgia in the 1/32 Eliminators before getting the better of Italy's Guendalina Sartori of Italy in the 1/16 Eliminators on Wednesday.
Bombayla gave a fight to her Mexican opponent.She began the contest poorly, barely managing a 7 to lose the first set 26-28.She improved in the second set, hitting two nine pointer to square the contest.
She began the third set confidently with a perfect 10 but Alejandra upped her game, hitting two 10s to claim it 28-27.That tilted the contest in the Mexican's favour as the Manipuri's aim fell apart, hitting 6,9 and 8 in her final three attempts of the fourth set to surrender the contest.
Rio Live: Sindhu, Saina Impress With Victories After Men's Hockey Team Loses 2-1 To Netherlands In Last Minute Thriller
In Pics: Saina Nehwal Cruises To Victory In Closely Fought Opener
In Pics: PV Sindhu Shuttles Her Way Through Badminton Singles Opener
In Pics: Netherlands Beats Indian Hockey Team In An Exciting Encounter
Here's the roundup: