Introduction: Anterior cruciate ligament (ACL) and meniscal injuries are one of the most common ligamentous knee injuries related to sports. In the last few years Magnetic resonance imaging (MRI) become an indispensable part for diagnosis of ligamentous injuries of knee. However the extent of ligamentous damage to be assessed for its appropriate management. Aims: To compare the Sensitivity, Specificity, PPV & NPV of clinical examination, MRI and Arthroscopic findings in sports related injuries in tribal population of Jharkhand. Materials and Methods: The present study was a Prospective, Comparative Study. This Study was conducted from May, 2021 to November, 2022 at Department of Orthopaedics, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand. Total 188 patients were included in this study. Result: We showed that the Lachman test Sensitivity was: 94.4 , Specificity: 100.0, Positive Predictive Value: 100 , Negative Predictive Value: 50 and Accuracy: 94.6%, McMurry’s test for Lateral meniscus was Sensitivity: 88.0, Specificity: 73.0, Positive Predictive Value: 33.3, Negative Predictive Value: 91.5 and Accuracy: 75.0%, McMurry’s Test for Medial Meniscus was Sensitivity: 90.9, Specificity: 91.0, Positive Predictive Value: 84.5, Negative Predictive Value: 94.9 and Accuracy: 90.9%, MRI Findings for ACL injury was Sensitivity: 95.5, Specificity: 90.0, Positive Predictive Value: 99.4, Negative Predictive Value: 52.9 and Accuracy 95.21%, MRI Findings for Medial Meniscus was Sensitivity: 87.9, Specificity: 91.0, Positive Predictive Value: 84.1, Negative Predictive Value: 93.3 and Accuracy 89.89% and MRI Findings for Lateral Meniscus was Sensitivity: 76.0, Specificity: 82.2, Positive Predictive Value: 39.6, Negative Predictive Value: 95.7 and Accuracy 81.38%. Conclusion: By correlating the the clinical examination findings , MRI findings and Arthroscopy , we can conclude that carefully done clinical examination have the better or equal findings in comparison to normal MRI for the diagnosis of meniscal and cruciate ligament injury. When clinical findings are in favour of meniscal injury or cruciate ligament injury with a normal MRI findings should not be considered to deny arthroscopy.