![Delhi CM Arvind Kejriwal inaugurates India Delhi CM Arvind Kejriwal inaugurates India](http://www.saharasamay.com/pics/article/2021_08_23_12_21_42_smog-tower-connaught-place-5.png)
The Delhi cabinet gave approval for the project in October 2020. Environment minister Gopal Rai said last week that the 20-metre-long structure, which has been set up to improve air quality in a radius of around one kilometre, will function at full capacity from today.