In the first chapter the 'purpose' of all special mantras in propounding
the essence of devatAs is given. The second explains the fact that
deities invoked by mantras are what is left of the Veda after vidhi,
arthavAda, etc. In the third, the adornment of the essence of devatAs
with no qualities or with qualities such as incarnation at will, etc. is
illuminated. The fourth determines the benefits of worshipping
devatAs--such as attaining power and joy from the splendor of residing
in the various heavens by the grace of the various devatAs. So,