[A] Delhi
[B] Varanasi
[C] Kolkata
[D] Lucknow
Explanation
Union Minister for Environment, Forest and Climate Change, Bhupender Yadav has virtually inaugurated the first functional smog tower in India at Anand Vihar, Delhi. A smog tower is a structure designed as large/medium scale air purifiers to reduce air pollution, usually by forcing the air through filters. The tower has been built by Tata Projects Limited with NBCC (India) Ltd. as the project management consultant.
