Have a look here :
Amazon is saying : Extra 25% off discount will be automatically applied at the checkout page
and when I Tried to check some of the listed products with BuyHatke Extension, almost in all of products, price has been increased upto 40%
Have a look:
Symbol Men’s Formal Twill Regular Fit Shirt
Today’s Price: 769/-
Price was on 19th Oct: 549/-
Never Expected this from Amazon Though.