Aniket Sardar had gone out to purchase sweets from a nearby shop in Bedadipa under Bagbera police station but did not return.
His btother Dina Sardar and other family members started searching for him and found his body in a pool of blood in the house of Dina's brother-in-law, police said.
The accused uncle, Govind, an auto rickshaw driver, has allegedly killed Aniket by slitting his throat over a dispute with his parents and fled.
