Welcome to the Make community!
According to Telegram, bots can’t read other bot messages (API).
So you can’t use Telegram for this.
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Did you know, the concepts of about 70% of questions asked on this forum are already covered in the Make Academy. Investing some effort into it will save you lots of time and frustration using Make later!