The condemned convict is Obaidul, 29, son of late Abdus Samad of Miratongi village of Birganj upazila in Dinajpur
Dhaka Metropolitan Sessions Judge KM Imrul Kayes pronounced the verdict and fined the convict Tk 50,000.
Victim’s family members, who were present at the court, expressed their satisfaction over the verdict.
Risha, 14, daughter of Md Ramzan Ali of Bangshal of Old Dhaka and an eighth-grader of Willes Little Flower School and College, was stabbed by Obaidul in front of her educational institution at Kakrail in the capital on August 24 in 2016 as she had refused his love proposal.
She lost her battle for life at Dhaka Medical College Hospital (DMCH) on August 28.
On the same day, her mother filed a case with Ramna Police Station against Obaidul.