In a word, yes. In a longer explanation, you are pirating copyrighted material, which is illegal. If the material you downloaded said something along the lines of freeware or freely distribute, it wouldn't be illegal. however, movies and porn rarely go uncopyrighted.
That being said, it probably won't matter. I'm not sure what the copyright laws in india are, but if they are anything like the united states, then you might get a fine. but the law is rarely enforced. if you are using public internet to download, however, you may be found out early. my school has a system to notify administrators if illegal material is being downloaded. If you have been downloading stuff awhile, then you may be good. but be careful.