1) Visit the free immunity capsules offer page >> ENTER HERE
2) Add Rs 399 worth immunity booster capsules, pack of 30 to the cart.
3) Proceed to the checkout page and apply the coupon code given below
Promo Code - WMBIMMUNITY
4) Cart value will become Rs 0 and now add your shipping address details.
5) Proceed to the payment page and complete the payment of Rs 99
6) Product price is Rs 0 and you just need to pay shipping charges of Rs 99. Regular price of wow immunity booster capsules is Rs 250+ on Amazon & Flipkart