There are several ways to watch Airtel Xstream on TV:

1. Airtel Xstream Box: The Airtel Xstream Box is a streaming device that is provided by Airtel to its customers. It can be connected to a TV and allows users to access the Airtel Xstream app as well as other streaming services such as Netflix, Amazon Prime Video, and YouTube. It also comes with built-in Chromecast and Google Assistant.
2. Chromecast: If your TV has a Chromecast built-in or you have a Chromecast dongle, you can use the Airtel Xstream app on your mobile device to cast content to your TV. Simply open the app and tap the Chromecast icon to select your TV and start streaming.
3. Airplay: If you have an Apple device and an Apple TV, you can use Airplay to stream content from the Airtel Xstream app on your device to your TV.
4. DLNA: If your TV supports DLNA, you can use the Airtel Xstream app to connect to your TV and stream content wirelessly.
5. HDMI cable: Connect your mobile device, tablet or PC to your TV using an HDMI cable and mirror the screen to watch Airtel Xstream on your TV.
6. Smart TV: If your TV is a smart TV and has the Airtel Xstream app available in its app store, you can download it and watch directly on your TV.

Keep in mind that you will need a stable internet connection to stream the content. The streaming quality might vary based on the internet connection and the streaming device.