Which Vedic fire ritual, one of the oldest continuously practised religious ceremonies in the world, involves offerings of ghee, grains, and herbs into a consecrated fire while chanting Sanskrit mantras?

• A Puja
• B Aarti
• C Yajna ✓
• D Abhishekam

Yajna (also called havan or homa) is a ritual of sacrifice and offering to the deities through fire, central to Vedic religion and still performed at Hindu weddings and ceremonies.