law: The Andhra Pradesh reorganization Act, 2014
  5.  Hyderabad to be common capital for States of Telangana and
  
  Andhra Pradesh.
  1.    On and
  
  from the appointed day, Hyderabad in the existing State of Andhra Pradesh,
  
  shall be the common capital of the State of Telangana and the State of Andhra
  
  Pradesh for such period not exceeding ten years.
  2.    After
  
  expiry of the period referred to in sub-section ( 1 ), Hyderabad shall be
  
  the capital of the State of Telangana and there shall be a new capital for the
  
  State of Andhra Pradesh.
   Explanation. -- In this Part, the common capital
  
  includes the existing area notified as the Greater Hyderabad Municipal
  
  Corporation under the Hyderabad Municipal Corporation Act, 1955.