Tell him that you were tricked into buying this. And raise a complaint that you want to retun both the membership and the lens.
Taking Lenskart’s gold membership for free or less than Rs 10 via people coupons
Use the mobile app to identify offers and the brands and how much they cost
Do the permutations via the app and keep that in cart.
When you buy from them they will apply some methods which will show a higher amount. Tell them that you were able to get the same in the amount as per the app they will follow and give you the same.
I brought 2 spectacles with non free lens + sunglasses for 4.5 to 5 k.