Panaji, Sep 1 : Goa Police have arrested a 21-year-old man  for allegedly killing his girlfriend and then dumping her body at Amboli Ghat in neighbouring Maharashtra, around 80 km from the crime spot, an official said on Friday.  A senior police officer told IANS that the incident happened on August 29 at Porvorim in North Goa. After killing his girlfriend -- Kamaxi Naik, 30, the accused -- identified as Prakash Chunchwad -- transported the body to Amboli Ghat in Maharashtra. "He dumped the body with his friend's help. Today, after he confessed to the crime, we took him to the spot and recovered the body," the police officer said. The police said Chunchwad allegedly stabbed Naik to death at her flat. It has been learnt that before the murder, he also had a fight with the woman following which a non-cognisable offence was registered against him at Mapusa police station. Later, he went to her flat in Porvorim and allegedly committed the crime. /IANS