Give it a shot and try, also update here after 3 months..

I don't understand why they cant allow prepaid plans.Anyways thanks for the update.

DUDE obviously there is no sim for watch.. what he meant was "can a prepaid AIRTEL plan be set on a Galaxy LTE watch"which is my question also.As per my knowledge AIRTEL only postpaid plans work on Samsung LTE watch. But JIO both Prepaid and Postpaid...