Both were member of the Indian team which won gold at the 1980 Moscow Olympics.
Saina and Srikanth's qualification for the Tokyo Games hinged on the Kuala Lumpur event followed by the Singapore Open (June 1-6).
In two days since its launch, an online campaign called "Stop Tokyo Olympics" has gathered over 210,000 signatures, exceeding its initial 200,000 goal.
The Malaysian Open, which runs from May 25-30, is one of the final two events where Olympic hopefuls can collect points towards the Race to Tokyo rankings.
Overseas spectators would not be allowed to enter Japan during the Games and the decision on local spectators, which was originally scheduled to be made at the end of April, will have to be made in June.
The world body in gymnastics will make an official announcement in this regard in June.
All athletes bound for the upcoming Tokyo Olympics are supposed to be vaccinated on priority.
Batra's advice came after judokas and boxers tested positive for the virus during tournaments abroad, leading to the withdrawal of the entire Indian teams.
Japan's top health experts have acknowledged that the COVID-19 pandemic has entered a fourth wave.
The Indian captain urged his teammates to focus on transferring their good form to the upcoming Pro League matches in Europe and later at this year's Tokyo Olympics.