The "Electronic Communication" paper, also known as the "Electronics and Communication Engineering (ECE)" paper, is available for the GATE exam here

https://engineering.careers360.com/articles/gate-ece-question-paper

you can take a dedicated GATE paper specifically for this discipline also you can access past year question papers and the current syllabus for preparation on the official GATE website or here

https://engineering.careers360.com/articles/gate-exam-pattern-for-ece

It covers topics like Electronic devices, circuits, communication systems, digital circuits, signals and systems, control systems, networks, and more.

Hope it helps!!