Low cost carrier IndiGo is back with a sale offer for its 12th anniversary. The airline is offering 12 lakh seats at a discounted price, and fares start at Rs 1,212 for any of the 57 cities on its network. During the 4-day sale, which ends on 13 July, flyers can book tickets for travel between 25 July 2018 to 30 March 2019. Tickets are available for international routes as well. An added attraction for customers is the 5% cashback they can get if using SBI credit cards for the transaction.