Paramahansa Yogananda, the author of Autobiography of a Yogi, founded the Self-Realization Fellowship (SRF) in 1920. It is a worldwide spiritual organization with its international headquarters in Los Angeles, California.

The main purpose of the Self-Realization Fellowship is to spread the teachings of Paramahansa Yogananda and to help individuals achieve self-realization, which is the ultimate goal of human life according to yogic philosophy. Self-realization is the direct experience of one's true nature as a soul, beyond the limitations of the body and mind.

The SRF offers a comprehensive system of meditation and spiritual practices, known as Kriya Yoga, which was brought to the West by Paramahansa Yogananda. Kriya Yoga is a scientific method of meditation that helps individuals to awaken their inner spiritual potential and to experience the divine consciousness within themselves.

The SRF also provides guidance and support to its members through its worldwide network of temples, meditation centers, and retreats. These centers offer classes, lectures, and group meditations, as well as spiritual counseling and support for individuals on their spiritual journey.

In addition to its spiritual teachings, the SRF also emphasizes the importance of living a balanced and harmonious life. This includes maintaining a healthy lifestyle, practicing selfless service, and cultivating positive qualities such as love, compassion, and forgiveness.

The Self-Realization Fellowship is open to people of all faiths and backgrounds. Its teachings are based on the universal truths found in all religions, and its goal is to help individuals of all walks of life to discover their own inner divinity and to live a more fulfilling and purposeful life.

The SRF also has a publishing arm, which publishes the writings of Paramahansa Yogananda and other spiritual texts, as well as a humanitarian arm, which supports various charitable and educational projects around the world.

In summary, the Self-Realization Fellowship is a spiritual organization that aims to help individuals achieve self-realization through the practice of Kriya Yoga and the teachings of Paramahansa Yogananda. It provides guidance, support, and resources for individuals on their spiritual path, and promotes the message of universal love, harmony, and peace.