The actions of the Divine Mind Indra can be grouped into three groups.
Manifest knowledge in aspiring humans.
Help human beings towards the goal of all-sided perfection.
Offer protection for individuals from hostile forces. Invocation mantras are in this lecture.
Related Book/s from SAKSHI Trust (https://vedah.com/)
English:
Indra – Lord of Divine Mind
Essentials of Rig Veda
Kannada:
ಇಂದ್ರ // Indra
ಋಗ್ವೇದದ ಅಂತರಂಗ