hello harikishan,, welcome to healthcaremagic.. wel from the above impesssions in the mri , its quite clear that you dont have any major problem other than acl( anterior cruciate ligament tear) that too in acl tear is partial.. as u are having partial tear affecting only acl an not other ligaments and if you are not planning to engage in sports or jobs in which heavy manual work.. then better go nonsurgical treatments.. physiotherapy and knee braces, rest and immobilsation... few doctors may suggest u to go for surgery but i feel u dont go for surgery at any cost.. i wil show u the statistics of a recent study below then u wil understand... ACL: To Operate or Not? Frobell s team randomly assigned 121 young, active adults -- many of them highly competitive, non-professional athletes -- to two different treatments. Both groups underwent a highly structured rehabilitation program in which they worked up from improving balance and coordination to knee strengthening exercises. One group underwent ACL reconstruction within 10 weeks of injury. But the other group delayed ACL reconstruction until it became obvious they needed it -- or until they healed. Two years later, both groups had good results. Neither treatment strategy was better than the other. But there was one big difference: 60% of those who delayed surgery found they never needed the operation. so better go for nonsurgical treatments which in mentioned above.. i hope this solves ur query.. wish u a speedy recovery...