Guwahati, Aug. 21 -- The Indian e-commerce is dominated by two mega shopping festivals, which are much-awaited every year. These are Flipkart's Big Billion Days and Amazon's Great Indian Festival. Since both these sales are announced around the festive season, they bring massive discounts on smartphones, electronics, fashion, and more. However, no matter how tempting these deals sound, they are not all authentic and trustworthy. But how to find out which of these are genuine and which are not? There are a few tricks and tips that you can follow to avail of the maximum discount one can.

While you are getting ready for this year's sale, all you have to do is prepare your wishlist in advance, stack multiple offers, and grab products at thei...