Option b is the correct answer Rig Veda (1500-1000 B.C) is the earliest of the four Vedas. The Rig Veda is a set of ancient Indian texts comprising 1028 Sanskrit Hymns from the Vedic period and 10,600 verses devoted to the Rigvedic deities. It is arranged in 10 volumes, known as mandalas. The "Rig Veda" outlines one of the oldest types of yoga and provides knowledge about yoga and other spiritual disciplines. The hymns were sung in praise of Agni, Indra, Mitra, Varuna and other Gods. It contains the famous Purushasukta that explains that the four varnas, i. e., Brahmana, Kshatriya, Vaishya and Shudra were born respectively from the mouth, arms, thighs and the feet of the Creator. The universally famous Gayatri mantra (Savitri) is also in Rig-Veda Important Tips Vedas: The Vedas are a large body of religious texts originating in ancient India. Composed in Vedic Sanskrit, the texts constitute the oldest layer of Sanskrit literature and the oldest scriptures of Hinduism. There are four Vedas: the Rigveda, the Yajurveda, the Samaveda and the Atharvaveda. Each Veda has four subdivisions - Samhitas Aranyakas Brahmanas Upanishads