Who propounded the ‘Eight-Fold Path’ for the end of misery of mankind?

The correct answer is Gautam Buddha.

The Eightfold Path is a set of eight steps that Gautama Buddha taught as a way to end suffering and achieve enlightenment. The steps are:

1. Right understanding
2. Right thought
3. Right speech
4. Right action
5. Right livelihood
6. Right effort
7. Right mindfulness
8. Right concentration

Mahavira was the founder of Jainism. He taught that the way to end suffering was to follow the path of non-violence and to avoid attachment to material things.

Adi Shankaracharya was a Hindu philosopher and theologian. He is considered one of the greatest philosophers in Indian history. He taught that the way to end suffering was to realize the oneness of Brahman, the ultimate reality.

Kabir was a 15th-century Indian poet and mystic. He is considered one of the most important figures in the Bhakti movement. He taught that the way to end suffering was to have devotion to God.