In which of the following cities was India’s First Carbon Garden inaugurated?

At which of the following locations has the Indian Army Established AASHVAST Lab for Drone Security? 

The first phase of the ‘Veligonda Project’ was inaugurated by the Chief Minister of which of the following states?

In which of the following states has India set a Guinness World Record for the World’s Longest Steel Slag Road?

On which of the following days is the International Day of Clean Air for blue skies observed every year?