The Companies Act, 1956
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.