Manipal Institute of Technology

Conceived by Dhruv Suri, an aeronautical engineering student, GreenBoard incorporates an air purifier, also known as carbon dioxide scrubber, into an ordinary billboard and purifies the air as it flows through it.

The innovation with its amazing possibilities managed to bag the second prize at the MIT Innovation Challenge and will soon find financial backing for developing working prototypes.

The brainchild of Electrofoodies, a group of final-year engineering students from Manipal Institute of Technology (MIT) of Manipal University, Karnataka, the innovation has bagged the first prize at the national finale of Ink Makers held at T-Hub in Hyderabad.