The agency was asked to review the status of THC, the psychoactive ingredient in cannabis, after the case of United States sprinter Sha’Carri Richardson, who did not go to the Tokyo Olympics in 2021.
What could be embarrassing for Indian athletics, as many as six athletes are on the list of 19. Asian Games medallist M R Poovamma too figures on it.
Hamza's dope sample collected out-of-competition on January 17 this year has been found to contain Furosemide, a prohibited substance under the World Anti-Doping Agency Code.
Among the five, two were gold medal winners at the Open national athletics championships in Andhra Pradesh last year: Taranjeet Kaur and K Naresh (senior).
Russia has been banned from next year's Winter Olympics over state-sponsored doping but the International Olympic Committee said Russian athletes would still be able to compete under a neutral flag.
World Anti-Doping Agency declined to lift its suspension of Moscow's national anti-doping body on Thursday.
FIFA insisted all players including all of the Russian squad underwent pre-competition and post-match tests in Brazil.