Ok
Due to huge late in kolkata to Mumbai all trains from last 2 years almost, huge number of passengers shifted to flights. Kolkata to mumbai flights till last year was 45 min to 1 hr interval , now today i travelled to mumbai from kolkata by morning flight i got shocked to see kolkata to mumbai flight in every 15 mins interval. Huge increase in flights to mumbai as passengers also increased in kolkata to mumbai thanks to IR & SECR for very poor punctuality in kolkata to mumbai route