This is a threat to Indian movie industry. This can make the movie industry unsuccessful. Therefore, it is not advisable for you to download movies on unauthorized sites. Some sites use these films to make you download software unnoticeably. There are sites infected with malwares that can be harmful to your computer system and to you as well. These malwares can be a spyware, adware or keyloggers. Beware of some sites because it can cause serious problems to your computers. Indian movie industry is one of the most famous industries around the globe. You will be helping the industry to gain more success if you purchase Indian movies on sites authorized to distribute it.