Yajna:- Yajna's history is rooted in the Vedic period of ancient India, beginning around 1500 BCE, as a central ritual of Vedic culture involving offerings to a sacred fire (Agni) to honor gods and maintain cosmic order. The practice evolved from physical sacrifices to symbolic gestures, and its meaning expanded to include acts of devotion, knowledge, and inner discipline as described in the Upanishads. Early Vedic period (c. 1500–600 BCE) Origin: The practice originates from the Vedic period, w