World athletics' governing body has suppressed a 2011 survey that reveals that up to a third of the world's top competitors admitted using banned performance-enhancing techniques, Britain's Sunday Times and German broadcaster ARD/WDR reported.
The sports field saw two special mentions at the 90th Oscar Awards on Sunday night.
An appeals tribunal appointed by the PCB exonerated the duo of doping offences and lifted their long-term bans.
US Open semi-finalist Yanina Wickmayer must wait to see whether she can return to action even though a Belgian court has suspended a one-year ban imposed on her for violating anti-doping regulations.
For seven years, Lee Chong Wei, one of badminton's finest athletes, took cordyceps tablets from unmarked containers on the advice of a mysterious friend without any knowledge of how they were capsulated or stored.
A summary of sports events and sports persons, who made news on Tuesday
Summary of sports events and persons who made news on Tuesday
Anahat Singh seals berth for World Junior Squash C'ship after topping selection trials
Young javelin thrower Rohit Yadav is set to be stripped of the silver medal that he won at the Asian Youth Athletics championship after he tested positive for a banned substance.
World triathlon champion Tim Don has been given a three-month ban for missing three drugs tests and faces a lifetime ban from the Olympics.
Maria Sharapova's comeback from a doping ban will include an appearance at the Rogers Cup in August after the former world number one was granted a wild card by the organisers of the Toronto tournament on Tuesday.
Four athletes, including three national champions preparing for 2010 Commonwealth Games, have failed dope tests conducted by the National Anti Doping Agency (NADA). There is no official word from Athletics Federation of India (AFI) but sources say the athletes, alleged to have used drugs banned by the International Olympic Committee, were training at a camp for the Games at the National Institute of Sports.
Ukrainian boxer Oleksandr Usyk urged the International Olympic Committee (IOC) to ban Russia from the Olympic Games
The BCCI has named Akshay Wadkar as the replacement for wicket-keeper batsman Abhishek Gupta in the India Red squad for Duleep Trophy after realising their blunder of picking a player banned for a doping violation till September 14.
China's world and Olympic swimming champion Sun Yang served a three-month ban earlier this year after testing positive for a banned stimulant, the China Anti-Doping Agency (CHINADA) said on Monday.
Lance Armstrong has been stripped of his seven Tour de France titles and banned for life after the International Cycling Union said on Monday it had ratified the United States Anti-Doping Agency's sanctions. The decision was announced at a UCI news conference.
The Indian Premier League on Monday rejected the Pakistan Cricket Board's request to advance the commencement date of the one-year ban on pacer Mohammad Asif, who returned a positive dope test, from September 23 to July 15, 2008.
The new regulations, to take effect on March 1, add criminal penalties for serious offenders.
Banned Serbian tennis player Viktor Troicki was "innocent" of a doping violation and the country's Davis Cup team supported him, World No 1 Novak Djokovic said on Tuesday.
Legendary athlete P T Usha on Wednesday batted for bringing all competitions under National Anti-Doping Agency (NADA) and sought more focus on the field of sports medicine and science to help players recover from injuries.
Olympic 100 metres champion Justin Gatlin has been banned for four years for a 2006 positive test for testosterone.
The World Anti-Doping Agency (WADA) on Monday recommended that the IOC and International Paralympic Committee should consider banning all athletes entered by the Russian Olympic Committee for next month's Rio Olympics.
Bumrah bowled full tilt at Rishabh Pant while Prithvi spent time with trainer Nick Webb
The Indian discus thrower apparently tested positive for a banned steroid in an out-of-competition test during training in Muscat.
A Belgian court on Monday suspended a one-year ban imposed on tennis players Yanina Wickmayer and Xavier Malisse for violating anti-doping regulations, Wickmayer's agent said.
'No words, games, or actions will ever stop me from reaching my own dreams. And I have many'
Russian figure skater Kamila Valieva will be allowed to compete in the women's singles in figure skating at the Beijing Olympics after a decision by sport's top court on Monday.
On the other hand Shoaib Akhtar is not likely to get any reprieve, claims local media in Pakistan.
The 'B' sample test of Manipuri weightlifter Monika Devi, who was stopped from taking part in Beijing Olympics on dope charges, has returned positive for a banned substance in a WADA-accredited laboratory in Tokyo.
Chijindu Ujah has been provisionally suspended since Ostarine and S-23 -- both substances prohibited by world anti-doping organisation WADA -- were detected in his A and B samples following the final.
Summary of sports events and persons who made news on Tuesday
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
Shoaib Akhtar has filed an appeal with the PCB against the two-year ban imposed on him for a doping offence.
Not just because Serena Williams looks capable of landing a 24th Grand Slam title against all the odds having returned from maternity leave and Maria Sharapova is seeking redemption after a 15-month doping ban with a third French Open title.
British Olympic 4x100m relay silver medallist Chijindu Ujah's B-sample has also confirmed an Adverse Analytical Finding (AAF) and his case will be referred to the Court of Arbitration for Sport, the International Testing Agency (ITA) said on Tuesday.
Always the crown jewel in the Olympic athletics programme, the Rio 100 metres final is shaping up to be extraordinary for many reasons.
Australia has backed a World Anti-Doping Agency (WADA) recommendation that Russia be banned from international athletics, including the 2016 Olympics, after a report alleged systemic state-backed cheating.
Argentine Mariano Puerta's record eight-year ban following a positive dope test has been reduced to two years
Russian Yulia Efimova, who won two Olympic silver medals this month after being cleared to compete in Rio following a doping ban, has compared swimming in the Games to being at war. Initially excluded from the event because of her doping record, the 24-year-old won a last-minute legal challenge to the Court of Arbitration for Sport (CAS) and finished second in the 100 and 200 metres breaststroke in Brazil. "I felt under pressure from the sportsmen, the fans, the press. This was awful and it was not like being at an Olympics, which usually unites people. This was not a competition, but a war - a old war," Efimova told a news conference on Wednesday.
Russian tennis player Svetlana Kuznetsova blamed politics for the decision to ban her country's track and field athletes from the Rio Olympics and said it was unfair to group them all together as doping cheats.