Just like Naharlagun, even from Agartala, IR may first start an IC Exp between Agartala and Silchar via Kumarghat - Badarpur. Then a Rajdhani Train via Silchar - Lumding - Rangiya - New Jalpaiguri - Bhagalpur - Gorakhpur - Lucknow - Kanpur "may" be in the pipeline. Another SF Train from KOAA to AGTL may also start in the years to come on a Weekly basis :-)