Q. ' Mrichchhakatika ' an ancient Indian book written by Shudraka deals with 

1. the love affair of a rich merchant with the daughter of a courtesan
2. the victory of Chandragupta II over the Shaka Kshatrapas of western India
3. the military expeditions and exploits of Samudragupta
4. the love affair between a Gupta king and a princess of Kamarupa