The wikipedia article indicates this Hindi article for it
https://en.wikipedia.org/wiki/Long_pepper
https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A4%BF%E0%A4%AA%E0...
https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A4%BF%E0%A4%AA%E0...
Its called തിപ്പലി (Thippali) in Malayalam, now used in home medicines esp for cold.
Pipli sounds familiar but I can't place it for sure. I'll have to ask folks back home..