Telegram is very useful to broadcast your message to large audience. Unlike WhatsApp which allows only 256 members per group, telegram allow you to add unlimited members. Just follow below steps to create your first channel on Telegram.
-> If you have sent the channel to public - your channel link would be: t.me/your_channel_id or telegram.me/your_channel_id
-> If you have sent the channel to private - check here to know how to get private channel link