The accused, whose name was not revealed to guard the 15-year-old victim’s identity, raped her in mid-November at his house in Calapur village near here.
Later, according to the complaint, he threatened to kill her if she told anyone about it. The offence came to light only yesterday when the victim’s friend informed the police.
Officers of Old Goa police station arrested the uncle, who works in Panaji city. According to the police, the girl had spoken with the accused’s wife, her aunt, about the incident, but the latter kept mum.
The girl studies at a school meant for the orphans and those from the poor backgrounds.