With e-commerce players Flipkart Amazon India and the latest entrant Paytm Mall lining up with a grand firework display this week, it will be an early Diwali for online shoppers this year. Starting tomorrow, consumers will be spoilt for choice between dynamite deals and a cracker of a discount on each of these platforms.If Flipkart's Big Billion Day sale preview is anything to go by, deep discounts and exclusive deals on gadgets and large appliances are expected to be a big draw this year as well.The e-commerce major is promising a good bargain on Asus, Motorola and HTC budget smartphones as well as a massive discount and deal on Samsung Galaxy S7 and Redmi 4A. Additionally, it will be offering a launchpad for Lenovo K8 Plus and Panasonic Eluga Ray 700, among others.Calling it a ”big loot", Flipkart will be putting up television, refrigerators, split ACs and washing machines for a grand sale at up to 70% off. This will include hard-to-miss offers on 32-inch TVs, as well as Smart TVs and upto 40% off on Ultra HD 4K TVs. But, perhaps the biggest pull in this category will be up to Rs 70,000 off on big screen TVs.Fashion and lifestyle will a close second with "never-before offers on 500 plus brands" including Vans, Pepe, Fastrack and Lakme. On smaller electronic items, it will also be offering freebies on best-selling DSLR cameras, exchange offers on printers and no cost EMIs on Apple iPads.Flipkart's four-day festive sale will begin on September 20 as it prepares to engage in an online dual with its closest rival Amazon India, which is hosting its sale event from September 21.As is customary for its offers, the sale will start early for Amazon's Prime members, who will get a 12-hour window before the rest of the world gets access to its festive season buys.Promising 40,000 deals across four days, Amazon will be offering up to 70% off on home and kitchen items as well as on fashion products, which has mostly been Flipkart's mainstay up until now. Other offers in the offing include up to 40% and 60% off on mobile phones and electronic appliances, respectively.In addition to exclusive app-only deals, customers using Amazon Pay will also get 10% cashback up to Rs 500. Paytm will also be launching it first major sales event between September 20-23 through its e-commerce arm Paytm Mall.As per an earlier report, the digital payments player has earmarked Rs 501 crore as cashbacks during the sale, which will reportedly range from 15% to 100%. This includes up to Rs 10,000 and Rs 20,000 cashbacks on refrigerators and televisions, respectively.With top brands like Apple, Woodland, Sony, Fossil and Samsung across product categories on sale, shoppers will be spoilt for choice.