Hindu texts Vedas: the Rigveda, the Yajurveda, the Samaveda and the Atharvaveda. Each Veda has been subclassified into four major text types – the Samhitas (mantras and benedictions), the Aranyakas (text on rituals, ceremonies, sacrifices and symbolic-sacrifices), the Brahmanas (commentaries on rituals, ceremonies and sacrifices), and the Upanishads (text discussing meditation, philosophy and spiritual knowledge). The Upanishads are a collection of Hindu texts which contain some of the central philosophical concepts of Hinduism. The Upanishads are commonly referred to as "Vedānta", variously interpreted to mean either the "last chapters, parts of the Veda" or "the object, the highest purpose of the Veda".
Ancient warfare disoriented soldiers, subsequently weakened from the previous attacks. During the Vedic period (fl. 1500–500 BC), the "Vedas" and other associated texts contain references to warfare. The earliest allusions to a specific battle are those to the Battle of the Ten Kings in Mandala 7 of the Rigveda. The two great ancient epics of India, "Ramayana" and "Mahabharata" (c. 1000–500 BC) are centered on conflicts and refer to military formations, theories of warfare and esoteric weaponry. Valmiki's "Ramayana" describes Ayodhya's military as defensive rather than aggressive. The city, it says, was strongly fortified and was surrounded by a deep moat. "Ramayana"