Bhai DEL mein ATC congestion bahut rehta h CCU k muqable but I rhink IXB CCU 470 km shd come in this 1 hr what do u think?& waise bhi DEL LKO fare kam hi rehta h & flights bhi kaafi saare h unlike CCU IXB only 4 flighrs with fares soaring as high as 7-9k