Section 12 of The Companies Act makes it mandatory for every company to maintain a registered office at all times and in case of changes the same should be reported to ROC by filing form INC-22 within 30 days of such change. Except for change within the city you need to take prior approval from ROC or RD

Registered office of a company is a place where all the communications and notices may be sent.

Section 12 mandates all the companies to have registered office either at the time of incorporation or within 30 days of incorporation.

The registered office of a company is a place to which all official communications pertaining to a Company is sent. In addition to a registered office, a company can have an corporate office or administrative office or branch office or factory, etc.,

However, only the registered office of the Company needs to be registered with the Ministry of Corporate Affairs. All other offices or additional locations can be opened by a company without any intimation to the ROC.