Petitions by the four convicts, two of whom were awarded death sentence, were moved before a division bench comprising Justice Nadira Patheria and Justice Debi Prasad Dey, which directed that the matter would be heard after a month.
Of the four, Ansar Ali and Amin Ali were awarded death sentence, while Bhola Naskar and Sk Imamul Islam were sentenced to life imprisonment by Additional District and Sessions judge Sanchita Sarkar on January 30.
Two others were also convicted in the case. While Saiful Ali was sentenced to death, Aminul Islam was sentenced to life imprisonment. These two have not yet filed an appeal before the HC.
Two accused - Rafiqul Islam and Nur Ali were acquitted owing to lack of evidence against them. Another accused Gopal Naskar died during trial in August last year.
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The gangrape and murder of the girl took place when she was returning home at Kamduni in North 24 Parganas district, about 50 km from Kolkata, after appearing for an examination at her college on June 7, 2013.
Her mutilated body was found the next morning in a corner of the farm.