Get 10% Cashback On e-catering Food (Prepaid Orders Only). Go to the website or call phone number 1323 Or SMS MEAL to 139. The payment mode used for booking the meal should be prepaid mode i.e. using the payment gateway (HDFC PG or Paytm) to avail the Cash Back Offer. The cash back offer is only valid for meals booked through IRCTC and having a value of more than Rs 300 in a single order. Hurry!!