India Meteorological Department IMD has said that dense to very dense fog was observed in Eastern Uttar Pradesh and Bihar this morning. It said, dense fog was observed in Punjab and Tripura and moderate fog in Haryana, Chandigarh, Western Rajasthan, and West Bengal. IMD said, a shallow fog was observed in Jammu, Delhi, Western Uttar Pradesh, Jharkhand, and Coastal Andhra Pradesh. Visibility was just 25 metres in Varanasi, Uttar Pradesh, and Gaya in Bihar today morning. Visibility was 50 metres in Prayagraj in Uttar Pradesh, Kailashahar in Tripura, and Patiala in Punjab this morning. <br />