law: Companies Act, 1956
  Sec 48    -    
  
  Execution of deeds. 
  (1) A company may, by writing under its common
  
  seal, empower any person, either generally or in respect of any specified
  
  matters, as its attorney, to execute deeds on its behalf in any place either in
  
  or outside India.
  (2) A deed signed by such an attorney on
  
  behalf of the company and under his seal where sealing is required, shall bind
  
  the company and have the same effect as if it were under its common seal.