Most vendors add chalk powder in jaggery, hence, in order to check for its presence, all you need to do is take a transparent bowl of water and dissolve a spoon of jaggery powder in the water. You will see the powder settling down in the water. There is a chance that artificial colour is used to give jaggery the right colour.

"The difference between Jaggery and sugar is their composition. Sugar is the simple form of sucrose which gets digested faster and energy is released immediately whereas Jaggery is made up of longer chains of mineral salts, sucrose, and fiber.
Since, Jaggery is prepared in iron vessels, it is rich in iron. It also acts as a cleansing agent as it helps clean the lungs and respiratory tract. So, it is advisable to substitute sugar with Jaggery."

Its best if you could directly buy from us on our online shop. Another option is our physical stores. If there is a major cost difference or some other benefit, you are welcome to order through other online platforms or websites. But small enterprises like us benefit when customers directly buy from us.