i) The appellants are the sons of the third accused (since acquitted). There was some dispute between the family of the accused and the prosecution party in respect of a property. Indisputably, there was a civil suit also pending. There was an attempt made by advocates for either side to compromise the said civil dispute. But the same could not fructify. Thereafter, on 22.04.200 at about 7.30 pm. P.W.1 and P.W.3 were standing in front of the house of P.W.1. At that time, all the three accused emerged and the first accused shouted that so long as P.W.1 was alive, they could not succeed in the civil dispute. With such shouting, A.1 attempted to attack P.W.1 with Aruval, which he was holding. P.W.1 tried to escape. At that time, P.W.2, who came rushing to the place of occurrence, attempted to prevent A.1 from cutting P.W.1. But A.1 cut P.W.2 on his left wrist. The second accused took out an Aruval and attempted to cut P.W.1 on his head. P.W.1, warded off with his left hand. Therefore, the cut fell on his left wrist. He sustained injury. Then the people who were present at the scene of occurrence raised alarm. A.1 and A.2 cut P.Ws 1 and 2 as stated above at the instigation of A.3. After the alarm raised by others, A.1 and A.3 disappeared from the place of occurrence. Thereafter, P.W.s.1 and 2 were taken to a private hospital known as Suriya Hospital by one Muthu. They were admitted as in patient in the said Hospital. While taking treatment, at about 8.45 p.m on receiving information from the hospital, P.W.9, Inspector of Police attached to Virugambakkam police Station came to the spot and recorded the statement of P.W1. Based on the same, he registered a case in Crime No.420 of 2000 under Sections 341, 324, 307 and 506(ii) I.P.C. In the hospital, P.W.8, Dr.Vekatramanan examined P.Ws 1 and 2 at 8.00 p.m on 22.04.2000 . He was told by both the injured that they were attacked by known persons with knife. On examination, he found that the tendon at the left wrist of P.W.1 was cut and there was also fracture of bone. He conducted surgery on P.W.1 to correct the same. P.W.1 under went treatment as in patient for four days. According to P.W.8, Dr.Venkataramanan, the injuries sustained by P.W.1 were grievous. He issued Ex.P.4, the wound certificate. On the same day, when he examined P.W.2, Ravi, he found a cut injury on the left wrist and also the tendon was found cut. He was treated as in patient for four days. According to him, the injuries sustained by P.W.2 is also grievous. He issued Ex.P.5, the wound certificate.