ONE OF MY FRIEND HAVE TAKEN A JOINT MEDICLAIM PLOICY FOR HIMSELF , HIS WIFE AND HIS DEPENDENT PARENTS . THE JOINT MEDICLAIM POLICY ANNUAL PREMIUM IS 27000 . WHAT IS IS THE AMOUNT OF DEDUCTION FOR WHICH HE IS ELIGIBLE U/S 80D . HIS PARENTS ARE SENIOR CITIZEN . WHAT IN CASE THE TOTAL PREMIUM AMOUNTS TO 40000.