Mohan Paswan, 48, was killed in Parhuti village after he used the hand pump against the decree of the village strongman Pramod Singh.
told local police officials that Paswan was told not to use the pumn because he was an 'untouchable'.
Kaimur Superintendent of Police Uma Shankar Sudhanshu said a case was lodged in this connection. The police raided the house of the accused but he is absconding.
Sudhansu said that police will not spare the accused for heinous crime.