The World Anti-Doping Agency will conduct dope tests on players participating in the Indian Premier League.
Both players have been told to stop talking to the media before their appearance next week at a doping tribunal.
Olympic 100 metres champion Justin Gatlin has been banned for four years for a 2006 positive test for testosterone.
The American sprinter was officially stripped of her World Championship gold medals from the 100 and 200 metres.
11-time Indian 100m champion Adille Sumariwalla says it was wrong to suspend athletes who went missing when WADA officials came calling.
Javelin thrower Amit Dahiya was banned for four years for evading dope sample collection by sending a proxy during the National Javelin Throw Open Championships last year.
The US Anti-Doping Agency has accused him of serious doping violations after a federal investigation into the BALCO laboratory in California.
Samples from the probables for the Twenty20 World Cup, including fast bowlers Shoaib Akhtar and Mohammad Asif, have been taken for testing by WADA laboratory.
The stars tested negative after their urine samples were re-tested for the newly-discovered steroid THG.
The Athletics Federation of India (AFI) has pulled out dope-flunked shot putter P Udaya Laxmi from the home squad for the ongoing Asian Championships in Pune after testing positive for a banned substance.
The drug bust has been described by the USADA as the largest in the the sport.
A summary of sports events and sports persons, who made news on Thursday
The American cyclist will not participate in any race in France till the end of his disciplinary hearing.
Pakistan fast bowler Mohammad Asif is challenging his positive test result for a banned substance during IPL.
WADA will target the entourage of athletes, who encourage them to take banned substances
Costas Kenteris and Katerina Thanou were among a group of Greek athletes to be tested by doctors from WADA.
The world 100 metres record holder has appealed to the Court of Arbitration for Sport against a possible life ban for doping.
The Turkish Athletics Federation (TAF) has given two-year suspensions to 31 athletes for drug violations, it announced on Monday. At least three of the athletes competed at the 2012 London Olympics, including hammer thrower Esref Apak, the 2004 silver medallist.
After Panwar's 'A' sample was found positive, the Indian Weightlifting Federation (IWF) suspended her provisionally.
The American sprinter tested positive for a metabolite of cannabis at a meeting in Seville in June.
The World 100 metres record holder will press for arbitration of doping charges against the sprinter by the US Anti-Doping Agency.
The world's fastest man was officially charged by the U.S. Anti-Doping Agency of committing a doping offence.
Basketball player Satnam Singh Bhamara, who became the first Indian to be drafted into an NBA team before being banned or doping, has decided to try his hand at wrestling by sealing a deal with a professional league in the United States.
The American sprinter wants any samples obtained from the BALCO investigation to be tested for DNA first to ensure they belong to her.
The American sprinter will miss the Athens Olympic Games and all her results since December 15, 2000, have been disqualified.
The US Senate has decided to release documents detailing any drug use by American athletes.
FINA has ruled that seven Russian swimmers, including breaststroke medal hopeful Yulia Efimova, are ineligible to compete in the Rio Olympics, world swimming's governing body said on Monday.
The Kremlin said on Monday it welcomed the decision by the International Olympic Committee (IOC) which allowed clean Russian sportspeople to compete in next month's Rio Olympics.
American rider Floyd Landis was banned for two years after being found guilty of doping by a US arbitration panel.
"The thought of somebody's livelihood, career or legacy to be ripped to shreds for an accident is a terrible thought," said the American.
German T-Mobile rider Patrik Sinkewitz tested positive for elevated levels of testosterone, the German cycling federation said on Wednesday.