Long que for security check

I am having flight at 06:50 AM from Mumbai to Jaipur airport terminal 2 and I reach at airport around 04:50 AM after bording pass collection I am in the que for security check which is very long may be

Transfer security

We were trying to transfer from a Goa flight to an international flight. Security would not let us through checkpoints because we only had a summary of our itinerary which said GOI to MCT with nothing about BOM and way