law: The Motor Vehicles Act, 1988
  185. Driving  by a  
  
  drunken person  or  by  a  person  under  the influence of  drugs. 
  
  Whoever, while driving, or 
  
  attempting to drive, a motor vehicle,--
  Explanation.--For the 
  
  purposes of this section, the drug or drugs specified by the Central Government 
  
  in this behalf, by notification in the Official Gazette, shall be deemed to 
  
  render a person in capable of Exercising proper control over a motor vehicle.