MKV stands for Matroska Video format. It is a multimedia container that contains audio, video and subtitles. Now that you are looking for a free way to download Bollywood movies in MKV format, this article will guide through on how you can download Bollywood movies in MKV for free. Download HD MKV Bollywood Movies for Free The best way to download HD MKV Bollywood Movies for free is by using iTube Studio, which is an online downloader that supports different file formats such as MKV. It supports 10,000+ streaming sites and allows you to download standard and HD movies. ITube Studio has a great user interface, and the process of downloading the videos is as simple as a pie.