isar (Haryana), Feb 21 (PTI) A rusticated student of class XI in Vishvas Senior Secondary School here today allegedly shot at and injured a school guard at the main gate and escaped. The bullet pierced through the left arm of Subhash who profusely bled even as he ran to the office of the Principal who managed to send him to hospital, police said. Sushila Devi, Principal of the school, said, the student Ajay Tripathi had allegedly misbehaved with teachers several times and "we called his father Tej Prakash Tripathi, a havaldar in the army and requested him to rein in his son. "The father even asked the school authorities to hand him over to the police if took the law into his hands. We thought it better to oust him from the school and rusticated him on January 30", she said. Guard Subhash said, "I was on the gate and he suddenly came and fired at me without saying anything and then went into the school." The school students hid themselves in awe when they saw a pistol in his hand. Later he jumped out of the school premises. The police registered a case and questioned his father.