Why Is the Shankha (शंख )Sacred science in Hinduism? What is vamavarti and the dakshinavarti shankha? bhagwan shri krishn shankha Panchajanya

Why Is the Shankha (शंख )Sacred science in Hinduism? What is vamavarti and the dakshinavarti shankha? bhagwan shri krishn shankha Panchajanya