You can install the BookMyShow Stream app on your TV from the TV app store (Currently available on AndroidTV, AppleTV, FireTV) to stream the movies you have bought/rented on your TV. 

You can also buy or rent movies from BookMyShow Stream TV app (Currently available on AndroidTV and AppleTV). 

Please note that you need to login on BookMyShow Stream TV app if you want to buy / rent the movies or stream the movies that you have already bought / rented.