India, Aug. 19 -- A Class 5 student at a government-run school in Madhya Pradesh's Guna district allegedly mixed urine in a water bottle and made two female classmates drink it, officials said.

The incident took place on Monday at a primary school in the Aron development block, prompting authorities to order an investigation and issue a notice to the school principal.

The two girls allegedly approached the principal after the incident, but he told them to eat a Rs 10 chocolate if their mouths tasted bad, Guna District Magistrate Kishore Kumar Kanyal said.

"Two girls alleged that some students made them drink urine from water bottles, and when they complained to the principal, he allegedly behaved inhumanely and told them, 'If your mout...