What do you understand by Compulsory Licensing? Trace the recent history of compulsory licensing in India. How effective, in your opinion, is compulsory licensing in checking monopoly of pharmaceutical patents?

3.What do you understand by Compulsory Licensing? Trace the recent history of compulsory licensing in India. How effective, in your opinion, is compulsory licensing in checking monopoly of pharmaceutical patents? (GS 3)