Tax deduction from Medical reestablishment

I am an employee of CMPDIL, RI-I, Asansol, a subsidiary of Coal India Limited. My yearly Income is Rs. six lakes. Due to continue treatment of my wife, its required reestablishment medical bill nearly Rs. 40,000/- per month which prescribed by Medical Officer of Coal India Limited, i.e. at ECL Central Hospital, Kalla, which is under Coal India Limited. as per Sl. No. 24 Section Proviso to section 17(2) , Medical facilities in India : 1) Expense incurred or reimbursed by the employer for the medical treatment of the employee or his family (spouse and children, dependent - parents, brothers and sisters) in any of the following hospital is not chargeable to tax in the hands of the employee: a) Hospital maintained by the employer. b) Hospital maintained by the Government or Local Authority or any other hospital approved by Central Government c) Hospital approved by the Chief Commissioner having regard to the prescribed guidelines for treatment of the prescribed diseases. 2) Medical insurance premium paid or reimbursed by the employer is not chargeable to tax. 3) Any other expenditure incurred or reimbursed by the employer for providing medical facility in India is not chargeable to tax up to Rs. 15,000 in aggregate per assessment year. Now please advice me how I get exemption of tax for the year 2016-17.