The actions of the Divine Mind Indra can be grouped into three groups. 

1. Manifest knowledge in aspiring humans. 

2. Help human beings towards the goal of all-sided perfection. 

3. Offer protection for individuals from hostile forces. Invocation mantras are in this lecture.

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Related Book/s from SAKSHI Trust (https://vedah.com/)

English:

1. Indra – Lord of Divine Mind

2. Essentials of Rig Veda

Kannada:

1. ಇಂದ್ರ // Indra

2. ಋಗ್ವೇದದ ಅಂತರಂಗ