Section 149 of the Indian Patents Act 1970
Section 149 of the Indian Patents Act 1970 is about Service of notices, etc., by post. It is under CHAPTER XXIII of the Act. CHAPTER XXIII is titled MISCELLANEOUS.
Service of notices, etc., by post
Any notice required or authorised to be given by or under this Act, and any application or other document so authorised or required to be made or filed, may be given, made or filed by post
See also:
Section 148 Indian Patents Act 1970 (Declaration by infant, lunatic etc.)