CHENNAI: A G Perarivalan , who is one of the three convicts on death row in the Rajiv Gandhi assassination case, has scored more than 91% in the Tamil Nadu class 12 examinations. Perarivalan scored 1,096 out of 1,200 marks and tops the list of 35 prisoners who successfully wrote the examination in March.Perarivalan is facing the gallows, along with Murugan and Santhan. The three had sought a stay on their execution on the ground that the President had taken 11 years in deciding their mercy pleas after the apex court rejected their petition in August last year.Perarivalan was 19 years when he was picked up by the CBI on June 11, 1991. He was charged with assisting the assassination by buying a nine-volt battery to assemble a bomb for Sivarasan, one of the assassins. Perarivalan is the youngest accused in the Rajiv Gandhi assassination case. An avid reader, Perarivalan has been fond of poetry and the teachings of Tamil saint poet Thiruvalluvar.Another inmate Soundarapandian in Madurai prison has scored 1080 marks (90%) and a prisoner in Puzhal prison Munusamy has scored 988 (82.33%) in the class 12 examination. Tamil Nadu education department released the results of the Class 12 examinations on Tuesday.Additional director general of police (ADGP – Prisons) S K Dogra said he was very happy with the resutls. “In 2011, only 19 prisoners took the class 12 exam, . This year the number doubled. All the 35 inmates w ho wrote the exam have passed ," he said.