Section 81 of the Indian Patents Act 1970
Section 81 of the Indian Patents Act 1970 is about Disposal by Controller of applications for extension of time. It is under CHAPTER XV of the Act. CHAPTER XV is titled POWERS OF CONTROLLER GENERALLY.
Where under the provisions of this Act or the rules made thereunder the Controller may extend the time for doing any act, nothing in this Act shall be deemed to require him to give notice to or hear the party interested in opposing the extension, nor shall any appeal lie from any order of the Controller granting such extension.
See also:
Section 80 Indian Patents Act 1970 (Exercise of discretionary powers by Controller.)