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
India exceeded all expectations to win a men's team bronze and mixed doubles bronze in Jakarta, ending the country's medal drought at Asian Games, but getting close to even one medal in Tokyo would be a gargantuan task
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.
Ankita Raina has been added to the list of players who will attend the event on Friday evening while Manika Batra and Sharath Kamal from the Table Tennis team will not attend the ceremony.
The 27-year-old Deepika, winner of a hattrick of gold medals at the in the World Cup Stage 3 in Paris late last month which helped her reclaim the No.1 spot in the world
In women's doubles, the Indian pair of Sania Mirza and Ankita Raina will face the Kichenok twins -- Nadiia and Lyudmyla -- of Ukraine in the opening round.
The quartet of Deepika Kumari, Atanu Das, Tarundeep Rai and Pravin Jadhav entered the mega-event with renewed hopes of winning the country's first Olympic medal in the sport.
Takefusa Kubo scored the only goal with a curling strike off the post in the 71st minute that clinched a 1-0 victory over South Africa at the Tokyo Stadium.