If you wish to enjoy a good movie during your trip to Caudan Waterfront, then go to Cinemaxx. It is one of the best movie theaters in Mauritius though nothing like the multiplexes that you have in other countries.
Cinemaxx has two screens and usually shows Hindi and Tamil movies along with one daily international release. Unfortunately all of these are dubbed in French with an occasional movie showing English subtitles which is very rare.
A normal show would cost you Rs 175.