first of all, go to offer page from here
Note: you need to pay Rs.40 extra shipping charges if you don’t have flipkart plus subscription. otherwise you can add any assured product in your cart and make it Rs.500 and above after doing cod you can cancel the product you don’t want it later so you will get free delivery via this trick too.
Add product to your cart and proceed.
enter your address and pincode.
finally pay with you suitable payment method.