All pre-monsoon work has to be completed before May 31, Chief Minister Uddhav Thackeray has ordered while reviewing the work progress on Monday. He has also given directions to clear debris from 450 constructions sites and desilt nullahs before monsoon arrives. 

The CM held a meeting at his official residence Varsha with representatives of governing authorities including Chief Secretary of State Manukumar Srivastav and Brihanmumbai Municipal Corporation chief I S Chahal.