The special women's court judge, Vrushali Joshi sent two juveniles who were among the total seven accused in the case, to a reformatory school and also imposed fine of Rs 16,000 on each of them.
"The five accused have been convicted and sentenced to maximum 20 years for gangrape," said public prosecutor Nilima Kasture.
According to prosecution, seven persons, including two minors, had barged into the thatched house of the victim on March 16, 2013, and sexually assaulted her by taking turns.
The woman initially went to Dadar Railway Police who transferred her complaint to Matunga police station.
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During the investigation, police arrested seven persons, namely Ganesh Ingle, Shahid Sheikh, Imran Sheikh, Ganesh Gurav, Rohidas Gaikwad, besides two juveniles and booked them on charges of gangrape, unnatural sex, criminal conspiracy besides other sections of the Indian Penal Code.
Kasture examined 14 witnesses including the victim whose testimony helped the prosecution in nailing the accused. The victim told the court that the accused had threatened her against revealing about incident.
"From Matunga, she (the woman) went to CST station and while coming back she reported the incident to the Dadar railway police which raises a question on credibility of the case," Sheikh said, adding that the husband of the woman did not file any complaint with police despite she narrated the incident to him.
However, the court upheld the prosecution's case.