law: Delhi Rent Control Act, 1958 
  5. Unlawful changes not to be claimed or
  
  received. -
  (1) Subject to the provisions of this Act, no
  
  person shall claim or receive any rent in excess of the standard rent,
  
  notwithstanding any agreement to the contrary.
  (2) No person shall, in consideration of the
  
  grant, renewal or continuance of a tenancy or sub-tenancy or sub-tenancy of any
  
  premises,-
  (a) Claim or receive
  
  the payment of any sum as premium or pugree of claim
  
  or receive any consideration whatsoever, in cash or in kind, in addition to the
  
  rent; or
  (b) Except with the
  
  previous permission of the Controller, claim or receive the payment of any sum
  
  exceeding one month’s rent of such premises as rent in advance.
  (3) It shall not be lawful for the tenant or
  
  any other person acting or purporting to act on behalf of the tenant or a
  
  sub-tenant to claim or receive any payment in consideration of the
  
  relinquishment, transfer or assignment of his tenancy or sub-tenancy, as the
  
  case may be, of any premises.
  (4) Nothing in this section shall apply-
  (a) To any payment
  
  made in pursuance of an agreement entered into before the 1st day of January,
  
  1939; or
  (b) To any payment made
  
  under an agreement by any person to a landlord for the purpose of financing the
  
  construction of the whole or part of any premises on the land belonging to
  
  taken on lease by, the landlord, if one of the conditions of the agreement is
  
  that the landlord is to let to that person the whole or part of the premises
  
  when completed for the use of that person or any member of his family:
  Provided that such payment does not exceed the
  
  amount of agreed rent for a period of five years of the whole or part of the premises
  
  to be let to such person.
  Explanation.-For the purpose of
  
  clause (b) of this sub-section, "member of the family" of a person
  
  means, in the case of an undivided Hindu Family, any member of the family of
  
  that person and in the case of any other family, the husband, wife, son,
  
  daughter , father, mother, brother, sister or any other relative dependent on
  
  that person.