The research team is working to check the effect of agnihotra and havan, an Indian vedic sience developed by sage and saints who knew its scientific benefits. The gruhe gruhe Gayatri Yajna (Yajna at all the homes/household) arallely at the same time and day was conducted, and around 45,000 (45K) households in Delhi/NCR, India participated in it. The CPCB (Central Pollution Control Board) mounted several sensors and IoT-based devices to capture the AQI and effect of this mass event which was celebrated by public as festival on Buddha Poornima 26 May, 2021 and earlier years. Tha manuscript presents the computational analysis of pollutant elements and the effect of Yajna to curb the pollution. The agnihotra is a valid science and being approved by global science fraternity. The humanity facing pandemic, pollution, less rainfall, and mental and physical fitness challenge will get a sustainable solution through Indian vedic wisdom.