law: Railways Act, 1989
  145. Drunkenness or nuisance. 
  If any person in any railway carriage or upon any part of a
  
  railway- 
  (a) is in a state of intoxication; or
  (b) commits any nuisance or act of indecency or uses abusive or
  
  obscene language; or
  (c) willfully or without excuse interferes with any amenity
  
  provided by the railway administration so as to affect the comfortable travel
  
  of any passenger, he may be removed form the railway by any railway servant and
  
  shall, in addition to the forfeiture of his pass or ticket, b e punishable with
  
  imprisonment which may extend so six months and with fine which may extend to
  
  five hundred rupees :
  Provided  that in the absence of special and adequate
  
  reason to the contrary to be mentioned in the judgment of the court, such punishment
  
  shall not be less than- 
  (a) a fine of one hundred rupees in the case of conviction for
  
  the first offence; and
  (b) imprisonment of one month and a fine of two hundred and
  
  fifty rupees, in the case of conviction for second or subsequent offence.