SANGRUR: Upset with his father who refused to sell the buffalo that the family owned, a 25-year-old man hacked his 50-year-old father to death in Bardwala village under Dhuri segment of the district in Punjab.According to the police, Rajender Singh alias Raju had not been on good terms with his father Amarjit Singh for the last several years and would frequently pick up a quarrel with him. Of late, he had started forcing his father to sell the buffalo, which Amarjit Singh refused.On the intervening night of September 5 and 6, the father and the son had a heated exchange of words before going to sleep. Late in the night Rajender Singh picked up a sickle lying in the house and attacked his father inflicting fatal injuries while he was asleep. He then took his father's body and dumped it in a haystack behind the house to give an impression that he had been attacked by some unidentified persons outside the house.In the morning when other family members got up, they could not find Amarjit Singh, but saw blood-spattered courtyard of the house and reported the matter to the police. A police team reached the spot and soon discovered the body dumped in the haystack.According to the station house officer of Dhuri Sadar station Parminder Singh, they had registered a case under Section 302 and 201 of the IPC and launched a manhunt to track down Rajender Singh, who was absconding after committing the crime. The SHO said that they had stumbled upon various clues and would soon arrest the accused. The case had been registered on a complaint filed by the grandfather of Rajender Singh Harchand Singh.