New Delhi, Dec. 12 -- The Delhi government will host an "innovation showcase" at IIT-Delhi in the last week of December, marking the next stage of the city's Innovation Challenge, which is aimed at finding scalable technologies to cut particulate pollution, environment minister Manjinder Singh Sirsa said on Thursday.

The event will be open to the public, with an expert panel - the Innovation Technical Evaluation Committee (ITEC) - set to shortlist viable and scalable solutions that can help combat Delhi's air pollution problem.

Senior officials aware of the matter said nearly 300 proposals were screened in the primary round, with shortlisted teams now invited to demonstrate working prototypes before ITEC. The eight-member committee, hea...