The mind

Q: Is not the higher mind the first plane above our mind?

That is right. It is the first of the planes above the ordinary human mind.

Q: Is the forehead (inner mind centre) a part of the higher mind?

No, it indicates the mind generally. The higher mind is above.

Q: What is characteristic of the higher mind?

It is a mind of thought and knowledge and spiritual perception but spontaneously seeing the truth.

– Sri Aurobindo