"We received a call at around 2 PM about a semi-nude body of a boy aged between 14 and 15 years lying near Commonwealth Games Village," a senior police officer said.
Police also recovered some clothes from nearby bushes.
No injury marks were visible on the body, police said, adding that nearby police stations have been informed to establish the identity of the youth.
The body has been sent to Lal Bahadur Shastri Hospital for post-mortem.