Claim for medical pension & ECHS facility as injured while in service

I Joined Naval Academy in Jan 2010. In 2011 When I was Playing Basketball in academy I got injured my knee and sustained ACL Tear. For That I was given medical category and operated in Naval Hospital Asvini, Mumbai. In this period I was relegated on Medical ground for two semesters. On 7th semester I could not complete my OGT test due to complications in my knee and relegated and withdrawn from Naval service. As I was in medical category S1A1, I was not given any benefit of injury e. g. medical pension etc. But till now I am Having complications due to injury sustained in Naval academy. I was withdrawn in Feb 2015. I want to pursue the case for medical pension and ECHS facility as I sustained injury in Naval academy. Please advice.