Hi @puttur.sachin,
To debug the issue, I will suggest you run your code here VMware, Virtualbox, Digital Ocean all are not working : Solved. Here you can easily copy paste the value of telergam id and other credentials.
If the program is working online, it means there is typo error in your conf file else we will figure out something else for your code.
Do let me know in case you need any other information.