In Rio Olympics, Indian girls saved the face of the country by winning two medals. Badminton star PV Sindhu won a silver while wrestler Sakshi Malik clinched a bronze.
Manika returned to beat 94th-ranked Tin-Tin Ho of Britain 4-0 in her singles opener while Sutirtha made a strong impression on her Olympics debut with a come from behind 4-3 win against 78th-ranked Linda Bergstrom of Sweden.
In select countries, fans will have access to highlights from Tokyo 2020, athlete profiles and interviews throughout the course of the Games via official Olympic broadcasters' Facebook Pages and Instagram accounts.
Nagal got the better of Istomin 6-4 6-7(6) 6-4 in two hours and 34 minutes on court 10 at the Ariake Tennis Centre to set up a second round with world number two Daniil Medvedev.
The Meerut boy shot 586 to be tied with Chinese Bowen Zhang after qualification, but as the Indian had more 'inner 10s' (27) to his name, he took the first spot going into the finals.
Chanu lifted a total of 202 kg (87kg in snatch and 115kg in clean and jerk) during her four successful attempts across the competition. China's Zhihui Hou bagged gold with a total of 210kg and created a new Olympic Record.
Competing in the 49kg category, Chanu is being considered a sure shot medal prospect for India as her personal best of 205kg is only second to China's Hou Zhihui's effort of 213kg in the eight-woman field
Vikas will be the lone Indian boxer in action on the opening day of boxing competitions at the Ryogoku Kokugikan arena and has therefore opted out of the opening ceremony
Sania Mirza, who is making a record fourth Olympic appearance, and debutant Ankita Raina are going into the Tokyo Olympics without playing a single competitive match together this year
"We are pleased that we have found a way together that enables the hockey team to make a socio-political statement," said DOSB President Alfons Hormann.