There is PNBE daily Raj , HWH weekly raj , DBRG Raj via CPR thrice a week , DBRG daily rajdhani and moreover AGTL Raj as well. 2 daily Rajs , 1 tri-weekly raj and 2 weely rajs. This is only the count of rajdhanis. Other Fully AC trains include Naharlagun AC , Jaynagar Garib Rath(twice a week) , Bhagalpur Garib rath(thrice a week) and Saharsa - Amritsar Garib Rath(thrice a week). Which means you have 10 Fully - AC trains. You also have AC coaches in other trains. And , the population of AC passengers is not same as the Non - AC passengers.Yes , I understand the non-availability of tickets for PNBE-NDLS AC passengers and their demand but that is the same for other classes as well. Hope you understood , bhai.