https://www.amazon.in/gp/pantry/info/Sa...ng
How to avail the offer. (Buy a sample, get back equal value against the next purchase from the brand)
Step 1: Purchase sample(s) from the list below as part of your Amazon Pantry order

Step 2: You will receive ‘Sample promo balance’ equal to the value of samples purchased as soon as your box ships (through e-mail notification)

Step 3: You can redeem this ‘Sample promo balance’ when you purchase any item of the same brand that you received as a sample on Amazon Pantry

You can buy any number of samples, but only 1 unit of each.

Minimum purchase offers like “Extra 5%/10% instant discount on purchase of Rs 1000/2000” or Super Saver Weekend Offer (Rs 300 instant discount on purchase of Rs 2000) will not be valid on the purchase of samples