Railways Act, 1989
193. Service of notice, etc., by railway administration.
Unless otherwise provided in this Act or the rules framed
thereunder, any notice or other document required or authorized by this Act to
be served on any person by a railway administration may be served-
(a) by delivering it to the person; or
(b) by leaving it at the usual or last known place of abode of
the person; or
(c) by registered post addressed to the person at his usual or
last known place of abode.