Companies Act, 1956
Sec 51 - Service
of documents on company.
A document may be served on a company or an officer thereof by
sending it to the company or officer at the registered office of the company by
post under a certificate of posting or by registered post, or by leaving it at
its registered office :
Provided that where the securities are held in a
depository, the records of the beneficial ownership may be served by such
depository on the company by means of electronic mode or by delivery of
floppies or discs.