INTRODUCTION
Fermentation is an easy and safe means for preservation of fish which involves various techniques.
Ngari (a fermented fish product) have a high consumer acceptance and have contributed in many ways to the
diet of northeastern part of India.
Because of its special flavor, it is used as a compulsory item in daily curry preparation.
Nutritive value of such processed fish has Been reported to be high and also serves as a preservative
making the food tastier and easier to digest.
Sometime, processing tends to affect the nutritional value of food products.
The important factor which determines the value of a fish product is its biological composition.
The desirable changes produced by the action of microbes enhance the flavour improve the nutritional
value and extend the shelf life .