Santanu Jha, second additional district judge at Barasat court, pronounced all the five accused guilty under sections 363 (kidnapping), 376(2)(g) (kidnapping) and 120B (criminal conspiracy) of IPC.
The daughter of a taxi driver, the girl had been kidnapped and gangraped by five local youths at Madhyamgram in North 24-Parganas district on October 25, 2013.
She was again gangraped by the same youths while returning from a police station after lodging a complaint.
The girl died of burn injuries on December 31 last after having set herself on fire on December 23.
