PHOTO NEWS: Tourists visit the Taj Mahal amid dense fog in Agra.

New Delhi: A cormorant perches on a rock at a pond during a foggy morning, in New Delhi, Monday, Dec. 26, 2022. (PTI Photo/Ravi Choudhary) (PTI12_26_2022_000046B)

Patna: People carry their cycles towards road after crossing the Ganga river on a boat during a cold and foggy morning, in Patna, Monday, Dec 26, 2022. (PTI Photo) (PTI12_26_2022_000049A)

New Delhi: Labourers wrapped in woolens walk on a footpath during a cold and foggy morning, in New Delhi, Monday, Dec. 26, 2022. (PTI Photo/Manvender Vashist Lav) (PTI12_26_2022_000054A)

New Delhi: A labourer wrapped in woolens walks down the Kartavya Path as IAF personnel rehearse for the Republic Day function during a cold and foggy morning, in New Delhi, Monday, Dec. 26, 2022. (PTI Photo/Manvender Vashist Lav) (PTI12_26_2022_000055A)

New Delhi: Indian Navy personnel rehearse for the Republic Day function during a cold and foggy morning, at Kartavya Path in New Delhi, Monday, Dec. 26, 2022. (PTI Photo/Manvender Vashist Lav) (PTI12_26_2022_000076A)

New Delhi: Vehicles ply on the Signatutre Bridge during a cold and foggy morning, in New Delhi, Monday, Dec. 26, 2022. (PTI Photo/Sachin Saini) (PTI12_26_2022_000078A)

Agra: Tourists visit the Taj Mahal amid dense fog in Agra, Monday, Sec. 27, 2022. (PTI Photo) (PTI12_26_2022_000081A)

Gurugram: People cross a railway track amid low visibility due to a thick layer of fog, on a cold winter morning, in Gurugram, Monday, Dec. 26, 2022. (PTI Photo)(PTI12_26_2022_000082B)