law: The Motor Vehicles Act, 1988
  16. 
  
  Revocation  of driving  licence  on  grounds  of  disease  or disability. 
  
  
  
  
  Notwithstanding   anything  contained  in  the  foregoing sections, any  
  
  licensing authority  may at  any time  revoke a driving licence or  may 
  
  require,  as a  condition of  continuing to  hold such driving licence,  the 
  
  holder  thereof to produce a medical certificate in the  same form  and in  the 
  
  same  manner as  is referred to in sub-  ection (3)  of, if  the licensing 
  
  authority has reasonable grounds to belive that the holder of the driving 
  
  licence is, by virtue of any disease or disability, unfit to drive a motor 
  
  vehicle and where the authority  revoking a  driving licence  is not the 
  
  authority which issued the  same, it  shall intimate  the fact  of revocation  
  
  to  the authority which issued that licence.