In a relief to students at the Indian Institute of Technology (IIT) campus, the Mumbai Metropolitan Region Development Authority (MMRDA) will complete installation of the 3m-high and 1,500m-long noise barriers from Powai lake to the end of the institute’s boundary wall by May-end. “The barriers will block the outside noise from the IIT campus. We have already installed noise barriers in Bandra- Kurla Complex (BKC) and the decibel levels have reduced from 98 to (the) acceptable limit of 55,” said Dilip Kawathkar, joint project director, MMRDA.