A fast track court here has sentenced four persons to life imprisonment for abducting and murdering a 17-year-old boy.

Judge Punam Rajput yesterday also imposed a fine of Rs 65,000 each on the four convicts — Ravinder, Farman, Wajid and Satnam.

According to government lawyer Ritu Choudhry, the victim Rahul was abducted and murdered at Lank village here on December 24, 2011.