This invention relates to an improved packaging system for semi cooked or cooked bread with improved shelf life when stored at ambient temperature. More specifically, the present invention relates to packaging system with food grade film with combination of inert gas composition for partially cooked or semi cooked flat breads like paratha, chapatti, and tortilla made up of grains, millets, cereals and pulses. The shelf life of this cooked bread is upto 15days at ambient temperature i.e. room temperature without having preservation and additives which are possibly alters the taste and safety of the food products.