Raw food includes grains, wheat, rice, pulses, cereals, pulses.

Cooked food from home is also tested for microbiological/microbial presence.

Packaged food involves all set of food items that have been approved by FSSAI standards – bakery, confectionary, sweets, namkeen, snacks, whey protein, milk and dairy products, chewing gum, candies, gum arabic etc.