If you would like to authorize a seller to sell your products on Flipkart, here is a Flipkart brand authorization letter sample.
(Brand Name and Address)
Subject: Flipkart Brand Authorization Letter
To Whomsoever It May Concern
This is to inform you that (Authorized Company Name) at (location) is authorized to promote, supply, sell, negotiate, hold, and distribute the services of Flipkart worldwide. The name of the brand should be visible on the products sold.
The authorization is effective from (start date) till your authorization validity.
(Brand Owner Name)