The powers of the Controller upon an application made under section 84 shall be exercised with a view to securing the following general purposes, that is to say,--
         (a) that patented inventions are worked on a commercial scale in the territory of India without undue delay and to the fullest extent that is reasonably practicable;
         (b) that the interests of any person for the time being working or developing an invention in the territory of India under the protection of a patent are not unfairly prejudiced.