India hosts first-ever green cement and infrastructure hackathon 23 May 2025 Staff Report Construction India's first national hackathon centred on sustainable innovation in cement and construction, "CemHack for Green Infra," was introduced by DPIIT. The NCB-hosted event in Ballabgarh encourages entrepreneurship and green technology solutions. Read more ITD Cementation to build the Airport-Birati stretch of Kolkata Metro Yellow Line Phase-II
