NEW DELHI: In a gruesome act, a 26-year-old man allegedly beheaded his wife on the outskirts of Bengaluru over suspicions of infidelity and rode to the police station with her severed head to surrender, police said on Saturday.The incident occurred late Friday night in Heelalige village near Chandapura in Anekal taluk. The accused, identified as Shankar, was arrested soon after he confessed to killing his wife, 25-year-old Manasa, at the police station.According to police, the couple had been married for over five years and shared a four-year-old daughter. Both were employed with private firms; Shankar worked in Koramangala and Manasa in Bommasandra.Argument turns fatalPolice said Shankar suspected his wife of having an extramarital affair, which had been the cause of frequent disputes between them. Following a recent argument, Manasa had moved in with her mother. She returned on Friday evening, reportedly in an attempt to reconcile for the sake of their daughter.“Around 8 pm, the couple got into another heated argument. Manasa denied having any affair. During the confrontation, in a fit of rage, Shankar took a sickle and beheaded her,” a senior police officer said.After the gruesome act, Shankar left the body inside the house and carried her head on his scooter to the nearest police station, where he confessed to the crime.Planned murder, say policePreliminary investigation suggests the murder was premeditated. “He had bought the sickle from a shop near his house a few days ago, which indicates he may have been planning the act,” the officer added.Police have registered a case of murder and taken Shankar into custody. The severed head and the murder weapon have been recovered. Further investigation is underway.