India, Dec. 13 -- A 14-year-old tribal student of the Kalinga Institute of Social Sciences (KISS) was found dead under mysterious circumstances, triggering a protest in Keonjhar district on Saturday as his family and relatives alleged murder and demanded a thorough investigation.

KISS is a sister concern of Kalinga Institute of Industrial Technology (KIIT), which has reported at least three alleged suicides, including two by Nepalese women students.

The Class IX student from a village in Keonjhar Town police station area died on Friday after being admitted to KIMS Medical College and Hospital in Bhubaneswar. His family staged a demonstration with the body outside the Keonjhar Collectorate, alleging that the institute authorities conceal...