Cheema, who won the team goal in the Asian Airgun Championship in Wako City, Japan recently, was on his way to Thiruvananthapuram to take part in the 61st National Shooting Championship for rifle and pistol.
Cheema's air pistol event is scheduled for tomorrow.
The shooter, who was stopped for carrying his pistol, was allowed to go ahead with his departure after waiting for one hour.
In the men's 10m air pistol youth final in Japan, Cheema topped the qualifying round with a score of 577, while Saurabh Chaudhary shot 573 to claim third spot. Surinder Singh, the third Indian in the field, shot 561 to finish 10th.