The Vedas are a collection of ancient religious texts that originated in ancient India. There are four primary Vedas, each with its own unique sections and knowledge.

1. Rigveda: The Rigveda is the oldest and most important Veda. It contains 10 books, known as mandalas, with hymns, prayers, and invocations dedicated to various deities. The Rigveda provides insight into the religious beliefs and practices of ancient India, and also contains knowledge of astronomy, mathematics, and medicine.
   
   
2. Yajurveda: The Yajurveda is primarily concerned with rituals and sacrifices, and contains detailed instructions on how to perform them. It is divided into two parts: the Shukla Yajurveda and the Krishna Yajurveda.
   
   
3. Samaveda: The Samaveda is primarily concerned with music and contains musical notations for hymns and prayers found in the Rigveda. It is divided into two parts: the Purvarchika and the Uttararchika.
   
   
4. Atharvaveda: The Atharvaveda is a collection of spells, incantations, and hymns that deal with practical issues such as healing, protection, and prosperity. It also contains knowledge of herbal medicine, magic, and astrology.

Benefits of each Veda:

1. Rigveda: The Rigveda is an important source of religious and cultural knowledge, and provides insight into the beliefs and practices of ancient Indian society. It also contains valuable scientific knowledge, such as the calculation of eclipses and the positions of stars and planets.
   
   
2. Yajurveda: The Yajurveda provides detailed instructions on how to perform rituals and sacrifices, which were an important part of ancient Indian religious practice. It also contains knowledge of astrology and the movement of celestial bodies.
   
   
3. Samaveda: The Samaveda is a unique Veda that focuses on music, and contains musical notations that are still used in Indian classical music today. It also provides insight into the religious beliefs and practices of ancient Indian society.
   
   
4. Atharvaveda: The Atharvaveda contains practical knowledge that is still relevant today, such as herbal medicine and spells for protection and prosperity. It also provides insight into the beliefs and practices of ancient Indian society, and the role of magic and astrology in daily life.

Each Veda has its own unique value and provides valuable knowledge and insight into different aspects of ancient Indian society, culture, and religion.