Arrange the following events in chronological order of their commencement and select correct answer from codes given below

I. Wild Life (Protection) Act   1972

II. Biological Diversity Act     2002

III. Project Tiger                    1973

IV. Project Elephant              1992

Code :

U.P.P.C.S. (Pre) 2019 U.P.P.C.S. (Pre) 2020