Steps- To create channel in telegram

Open Telegram App on Android

Tap on pencil icon

Choose a new channel on next screen

In channel name you can add your channel Name

Give description of your channel

Click on camera icon

Select a display image for your channel

Click on Tick button

Choose the channel type according to your need private or public channel

Set a permanent link in your channel if it has public so people can reach to your channel

For confirmation click on tick icon

The Telegram app will ask you to choose contacts to add to your Telegram channel. you can skip this step