2.0. The case of the prosecution in brief is as follows:- The accused is a resident of Door No.2/695, Sholinghur Road, R.K.Pet Village, Pallipattu Taluk, Tiruvallur District. He was working as a Head Constable at Mappedu Police Station in Tiruvallur District. P.W.3 was the Sub Inspector of Police of the said Police Station. On 08.07.2009, P.W.3 received a message from the Office of the Deputy Superintendent of Police to depute a police constable from the said police station for Escort Duty to escort the accused from the Central Prison, Puzhal, Chennai to Court and from Court to Central Prison. P.W.3, accordingly, deputed the accused for the said duty and issued a transit passport [Ex.P.1] to the accused. The accused was to escort the under-trial prisoners on 09.07.2009. The accused, accordingly, reported to P.W.4, the then Head Constable attached to Armory, Armed Reserve, Tiruvallur, on 09.07.2009. After making necessary entries in the register, P.W.4, handed over the accused, a .303 Rifle [Gun] with butt AR56/TLR [Body No.31505] and 10 Nos. of cartridges. P.W.4 also handed over 778 model handcuff (1 No.), 109 model handcuff (1 No.) and 532 model handcuff (2 Nos.). After making necessary entries in the register (Ex.P6), the accused left the Office of P.W.4 with the above arms and ammunitions and handcuffs. Accordingly, the accused went to Central Prison, Puzhal, Chennai along with the other police constables. P.W.5, the Superintendent of Central Prison, after making necessary entries in the relevant registers, handed over a total number of six under-trial prisoners to the accused and the other police constables for being escorted to the court of Judicial Magistrate at Tiruttani and to bring them back to the prison. The under-trial prisoners were (1) Appu @ Yuvaraj (P.W.18), (2) Semon (P.W.34), (3) Dhanasekaran (the deceased), (4) Chinna