"Severina Figueiredo killed herself yesterday by slitting her neck vain with blade after smothering her seven-year-old daughter from Karntaka, whom she had adopted three years back," Anjuna Police Inspector Paresh Naik told PTI.
The incident came to light yesterday when one of her family friends visited her residence, he added.
Police said Severina's husband had gone to France and at the time of the incident, the woman and her daughter were alone in the house.
"A suicide note purportedly written by Severina in French was found next to her body. As per the note, Severina took the extreme step as she was under depression," the officer said.
The bodies were sent for post-mortem, he said, adding a case under relevant sections of IPC has been registered at the Anjuna police station.