Hamstring pain in left leg up to down.

Having problem from last 7 month pain in left leg in Hamstring muscle from up to down last to last friday i slept in wrong postion and when wake up i feel that i slept in wrong position bcoz its started pain in from lower to down feeling nerve compression unable to bow down or back side before that I an going gym from month April 2018 and pain started from month Feb 2018 but when i was used to go gym i am ok feeling but still feeling streach before that in minth Feb i already consulted with ortho dr. in Max he told me its hamstring pain he given me some medicne and after one month I joined Gym. and in month Aug 2018 i left gym and after 1 month that is in Sep I startwd feeking pain again though I am actuve player of Table Tennies eveything is ok for me. but after slept wrong position its become severe pain for me i was unable to bow down or up then I visited again to Dr. below:- I) Prescription attached 2) Digital Xray attached Please review my Xray report and please advise needful.