Section 156 of the Indian Patents Act 1970
Section 156 of the Indian Patents Act 1970 is about Patent to bind Government. It is under CHAPTER XXIII of the Act. CHAPTER XXIII is titled MISCELLANEOUS.
Patent to bind Government
Subject to the other provisions contained in this Act, a patent shall have to all intents the like effect as against Government as it has against any person.
See also:
Section 155 Indian Patents Act 1970 (Reports of Controller to be placed before Parliament)