It is common for film actors to also take up assignments on TV as the medium helps them reach out to a wider audience. However,most actors Salman Khan,Arshad Warsi,Shilpa Shetty,Abhishek Bachchan,Sanjay Dutt and most recently,Soha Ali Khan have done so once they have established themselves in the industry. But Esha Gupta,who made a debut with Jannat 2 this year and will soon be seen in Raaz 3 and Chakravyuh,will host Supercars on National Geographic channel. A self-proclaimed adrenaline junkie,Gupta will take the viewers behind the scenes to where some of the meanest machines are put together.