law: Delhi Rent Control Act, 1958 
  45. Cutting off or withholding essential
  
  supply or service.-
  (1) No landlord either himself or through any person
  
  purporting to act on his behalf shall without just and sufficient cause cut off
  
  or withhold any essential supply or service enjoyed by the tenant in respect of
  
  the premises let to him.
  (2) If a landlord contravenes the provisions
  
  of sub-section (1), the tenant may make an application to the Controller
  
  complaining of such contravention.
  (3) If the Controller is satisfied that
  
  essential supply or service was cut off or withheld by the landlord with a view
  
  to compel the tenant to vacate the premises or to pay an enhanced rent, the
  
  Controller may pass an order directing the landlord to restore the amenities
  
  immediately, pending the inquiry referred to in sub-section (4).
  Explanation.- An interim order may
  
  be passed under this sub-section without just and sufficient cause cut off or
  
  withhold any essential supply or service enjoyed by the tenant in respect of
  
  the premises let to him.
  (2) If a landlord contravenes the provisions
  
  of sub-section (1), the tenant may make an application to the Controller complaining
  
  of such contravention.
  (3) If the Controller is satisfied that
  
  essential supply or service was cut off or withheld by the landlord with a view
  
  to compel the tenant to vacate the premises or to pay an enhanced rent, the
  
  Controller may pass an order directing the landlord to restore the amenities
  
  immediately, pending the inquiry referred to in sub-section (4).
  Explanation.- An interim order may
  
  be passed under this sub-section without giving notice to the landlord.
  (4) If the Controller on inquiry finds that
  
  the essential supply or service enjoyed by the tenant in respect of the
  
  premises was cut off or withheld by the landlord without just and sufficient
  
  cause, he shall make an order directing the landlord to restore such supply or
  
  service.
  (5) The Controller may in his discretion
  
  direct that compensation not exceeding fifty rupees-
  (a) be paid to the
  
  landlord by the tenant, if the application under sub-section (2) was made
  
  frivolously or vexatioulsy ;
  (b) be paid to the
  
  tenant by the landlord, if the landlord had cut off or withheld the supply or
  
  service without just and sufficient cause.
  Explanation 1.- In this section
  
  "essential supply or service" includes supply of water , electricity,
  
  lights in passages and on staircases, conservancy and sanitary services.
  Explanation II.- For the purposes of
  
  this section, withholding any essential supply or service shall include acts or
  
  omissions attributable to the landlord of account of which the essential supply
  
  or service is cut off by the local authority or any order competent authority.