( 1 ) THIS petition is directed against the respondents for issuance of a writ. in the nature of certiorari for quashing the Order dated 4th December, 1997 made by the Government of India, Office of the Additional Director, Central Government Health Scheme (Annexure-E to the petition) rejecting the case of the petitioner for reimbursement of the medical claim. The petitioner has further prayed for a writ of mandamus commanding the respondents to reimburse him the amount of Rs. 93,870. 00 with interest at the rate of 24% from the date of discharge from hospital i. e. 22nd February, 1996 to the date of payment. The petitioner retired on 31st July, 1988 as Assistant Engineer (Mechanical) from Government of India, Security Paper Mill, Hoshangabad, M. P.-461005. He was admitted in Mayo Hospital Savli Road, Harni,vadodara-390022 due to severe Chest Pain and Coronary Angiography was conducted on 12th February, 1996. The relevant report is filed as Annexure-A to the writ petition. The petitioner was operated for Coronary Artery By-pass, Grafting (CABG) as per diagnosis-Tripple Vessel Disease (Ischemic Heart Disease) on 14th February, 1996 and he was discharged on 22nd Febr