IRCTC Air’s 'Navratri Ki Smart Udaan' offers special fares, Rs100 convenience fee, free travel insurance up to Rs50 lakh, and concessions for eligible travellers planning visits to Kamakhya Devi Temple in Guwahati. A Delhi two-day, one-night trip is estimated at ₹17,100, 23,800 per person; costs vary by dates, bookings, accommodation and transport choices.