In the absence of any such help, he should seek shelter inside a fort in which his enemy with a large army can offer no obstruction to the supply of food-stuff, grass, firewood and water, but would sustain a heavy loss of men and money. When there are many forts, difference should be sought in their affording facility for the collection of stores and supplies. Kautilya is of opinion that one should entrench oneself in a fort inhabited by men and provided with stores and supplies. Also for the following reasons, one should shelter oneself in such a fort:--