Traditional fermented products are those products with are indigenous to people and people of the local area prepare them with the help of their ethnic knowledge from the ancestors. There are uncountable varieties of traditional food present in the world. One such country is India, where numerous varieties of traditional food products are present due to the variation in culture, geographical indication and variability in the raw material present in that particular locality (grains, milk, plant sources). In past, to enhance the shelf life of the food product many food processing and preservation techniques were introduced in household level such as smoking, drying, fermentation and germination. Out of these technique the best techniques for the preservation of food was fermentation. Fermentation is bioprocess technology which is practiced since time immemorial.
