Chanu lifted 202 kg (87kg in snatch and 115kg in clean and jerk) during her four successful attempts in the competition.
This is arguably India's best start to an Olympics campaign ever with Chanu bagging the silver medal on the very first day.
Tokyo Olympics 2020 highlights: Mirabai Chanu won a silver medal in weightlifting but in hockey, the Indian women's team suffered a heavy loss to the Netherlands.
Rankireddy/Shetty start Group A with a 21-16, 16-21, 27-25 victory over the World Number 3 seed Y. Lee/C.L. Wang.
Sutirtha Mukherjee fought back from 2 games down to knock out the Swede Linda Bergstorm in a 7-game thriller.
Sumit Nagal beat Uzbekistan's Denis Istomin 6-7, 7-6, 6-4 in the men's singles tennis match at Tokyo Olympics and become the first men's singles player to win a match at Olympics.
Saurabh Chaudhary could only manage a seventh-place finish in the men's 10m air pistol final at the Tokyo Olympics on Saturday (July 24).
Mirabai Chanu clinched India's first medal of the Tokyo Olympics when she won a silver medal in the women's 49kg weightlifting category.
Saurabh Chaudhary and Abhishek Verma went through contrasting times in the men's 10m air pistol qualifying round on Saturday (July 23).
The second day of the Tokyo Olympics saw Indian athletes compete in the disciplines of both rowing and judo with mixed results.