Install ChitramTV.apk on AndroidTV using the Downloader app
Preparation
Enable “Unknown Sources” – In the Security & Restrictions menu of Settings, also called developer mode to allow installation of apps from sources other than the Google play store.
Settings >> Security & Restrictions

Step 1:
Install the Downloader app from the Google play store or Amazon Store in to your device.
https://play.google.com/store/apps/details?id=com.esaba.downloader

Step 2:
Enter the app URL as given bellow or the code 218827 to the Box and click on “GO” . Please make sure that you take the correct ChitramTV app as per your device and Android version and device Model.
Step 3:
Please allow the app installation from Unknown source once it prompt.
Step 4:
Once Chitram TV Apk has finished installing. You can either click on Open. It will ask you for your Login and PIN. Enter it and select “ Save “ the credentials options.
About Downloader App
Downloader is an app created for Amazon Fire TV and Android TV devices. It is the easiest way to download files from the internet onto a streaming device. The app is beneficial in sideloading apps, without needing additional hardware, like a computer or external drive.
Please note LG & Samsung is not based on Android OS and you can not install the ChitramTV app on LG or Samsung TV directly.