Companies Act, 1956
Sec 593 - Return to be delivered to Registrar by foreign company where documents, etc., altered.
If any alteration is made or occurs in-
(a) the charter, statutes, or memorandum and articles of a foreign company or other instrument constituting or defining the constitution of a foreign company; or
(b) the registered or principal office of a foreign company; or
(c) the directors or secretary of a foreign company; or
(d) the name or address of any of the persons authorized to accept service on behalf of a foreign company; or
(e) the principal place of business of the company in India;
the company shall, within the prescribed time, deliver to the Registrar for registration a return containing the prescribed particulars of the alteration.