High Speed Overtake - 120 + KMPH Sealdah Rajdhani tears Ganj Khwaja before Mughalsarai

GZB WAP-7 hauled on time running 12313 Up Sealdah - New Delhi Rajdhani Express comes speeding from behind at well above 120 KMPH overtaking my train 13151 Up Kolkata - Jammu Tawi Express hauled by MGS WAP-4 22243.