BENGALURU: Amazon India claimed to have had a successful sale ahead of the crucial festive season, and said that it had doubled the number of customers from Tier 2 and Tier 3 cities during the four-day Great Indian Sale last week.The company said that compared to business as usual, the first day of the Great Indian Sale was the biggest day for Amazon.in in 2017 in terms of sales. The sale started on August 9 and continued till August 12.The company said that its recently launched wallet Amazon pay also saw a 20x jump in number of users. It also claimed to have seen multiple growth in sales across categories such as smartphones, fashion and appliances. Amazon, however, did not share absolute numbers.“Customers especially enjoyed big deals from big brands across smartphones, TVs and appliances and fashion, with old-product exchange and No-Cost EMI being particular hits.” Manish Tiwary, vice president, category management at Amazon India, said in a statement.“With Prime continuing to be our top selling product and Amazon Pay seeing 20X growth in top ups, customers continue to vote for the trust and convenience of shopping on Amazon.in” he added.Amazon said Prime was the top selling product during the sale, offering customers unlimited free expedited shipping, early and exclusive access to deals, and unlimited video streaming for an annual promotion fee of INR 499. Several customers also made purchases in the sale through Amazon’s no-cost EMI programs.Amazon India, which has over 2 lakh sellers on its platform, had said its total sales for the June quarter grew at 88% compared to the same period last year.