Matsya Purana 240.26

240.26

bandhanastho'bhiyojyo'ristathā prāvṛṣibhūbhṛjā.
himapātayute deśe sthitaṃ grīṣme'bhiyojayet .. 240.25 ..

An elephant corps can win a foe situated in a muddy surrounding, or in a woody country, and a cavalry and chariots can vanquish a foe on even land If the king be helped by a number of allies, he should respect them by presents and kindness If a king who has a strong mule and camel corps should be subdued during the rains and taken prisoner, he should still fight on as there is chance of his recovery—23 25

During the winter season a king should have a good store of straw and fire wood to enable him to vanquish his foe Vernal season is known as the best time A king should set out in the summer season against a country that is wetty and covered with snow—26