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@sowbhagya lakshmi Please write a basic MQTT program to connect to AWS. By this I mean don't include any other code inside it. See if you are able publish or subscribe to a particular topic.
https://github.com/sharvan-cmd/A5D2x-RB/blob/master/lg1119%2B.py
Download the code given from the link above modify it as per your credentials and let us know if you face any issues.
@sowbhagya lakshmi Please write a basic MQTT program to connect to AWS. By this I mean don't include any other code inside it. See if you are able publish or subscribe to a particular topic.