Car insurance by reliance general insurance

My car (spark lpg) faced an accident on 1st october 2011 near sambalpur. Six months has already elapsed but the car has not been repaired pending approval of body part. I am tangled between the garage manager and rgil surveyor. Details claim reg no: 8388 shivalik motors limited sambalpur (now bharat motors) policy no: 1707 cover note no: 9606 date of loss: 1/10/2011 date claimed: 2/10/2011 reliance general insurance limited is reluctant to replace the body shell. Dr. G.N. Pujari mob: 8947