Commonwealth Games bosses have promised that cheaters will be caught as they continue to investigate the discovery of needles at Gold Coast's athletes' village.
The Commonwealth Games Federation launched the investigation after syringes were located by a cleaner at the village.
CGF chief executive David Grevemberg refused to comment on reports linking the find to India's team, saying all they have at the moment are allegations.
Gold Coast 2018 Commonwealth Games Corporation (GOLDOC) chief executive Mark Peters issued a blunt warning with just three days until the Games start.
"Anyone attempting to cheat at any stage, they're going to get caught," Peters promised on Sunday.
India's chef de mission didn't return calls on Sunday but the Press Trust of India quoted an unnamed Indian official denying their athletes had done anything untoward.
"The syringes were not found in Indian athletes' rooms," the official said.
"It's in the same building where athletes from many countries are residing. It does not belong to us."
Under CGF rules there is a strict "no-needles" policy in the athletes' village during the competition with the exception of approved medical practitioners or those with an "auto-injecting" condition such as diabetes.
Nigerian weightlifter weightlifter Chika Amalaha, 16, was stripped of her gold medal at the Glasgow Games while Botswana's former world 400m champion, Amantle Montsho, was suspended for doping offences.
Welsh athletes Rhys Williams and Gareth Warburton were rubbed out of the 2014 event after failing pre-Games drug tests.
Indian team officials were also warned about the use of needles and their correct disposal after syringes were found where their wrestlers and a para-athlete was staying in Glasgow.
Australian swimmer Mack Horton, who caused a sensation at the 2016 Rio Olympics by slamming China's seven-time world champion Sun Yang, said if any athletes are caught cheating they deserved punishment.
"Athletes know what they are doing and know they are responsible for what goes into their bodies," Horton said.
"If they are caught cheating it is completely their fault."
GOLDOC chairman Peter Beattie said the discovery of the syringes wasn't a blow to the event's reputation.
"The only time you lose your reputation is if you don't do anything about it, you cover it up and none of that's going to happen," Beattie said.
Grevemberg said reports Indian athletes had been placed on a curfew was news to him and as far as he was aware the curfew hadn't been imposed by the CGF.
