Raju Ambole, who is the neighbour of the girls in a chawl, was arrested last night.
According to a police official, the incident occurred on February 28 and March 1 when the accused allegedly called the girls, who are 10 and 12 years old, to his home under the pretext of showing them a painting.
His wife was away at the time of the incident.
The matter came to light yesterday after relatives of the girls approached the Kurar police and lodged a complaint against Ambole.
Ambole was remanded in police custody.
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