A police officer told IANS that the accused man is a relative of the victim and had sexually assaulted her last year and again a month ago.

“Since she cannot speak, we took the help of an NGO and an interpreter. Based on that information we arrested an accused person, who is a relative of the victim,” the police said.

According to the police, the incident took place when the accused man had come to the victim's house. “One incident happened late last year and the other last month. We have recorded his statement and are investigating the matter further.”

Police said that the accused person has been sent to police custody for five days.

Ponda police of South district of Goa is investigating the case.