It seems like you're referring to a specific product: JRS Biscuits Milk, which comes in a pack weighing 400 grams.
The "Milk" variant likely indicates that these biscuits have a flavor or ingredient profile that includes milk or milk powder, resulting in a slightly sweet taste and a crumbly texture. These biscuits are often enjoyed as a snack or paired with tea or coffee.
If you have any further questions about these biscuits or anything else, feel free to ask!