New Delhi Aug 24 PTI Chief Minister Arvind Kejriwal on Tuesday said changes will be made to the Delhis drainage system based on suggestions received from the Indian Institute of Technology IIT Delhi to resolve the issue of waterlogging in the city The decision was taken at a meeting held to review the national capitals drainage master plan The meeting was chaired by Kejriwal according to the Chief Ministers Office CMO Delhi has witnessed massive waterlogging this monsoon Many arterial stretches underpasses and even residential areas were inundated after heavy rains in the city Delhi to soon get freedom from water-logging Necessary changes suggested by IIT Delhi will be implemented to further bolster the drainage system and make it foolproof Every gap in the drainage system of Delhi has to be plugged If theres a fallacy in the slope of a drain it needs to be fixed If any drain is meeting a dead end it needs to be corrected Kejriwal said in a statement He said proper plan should be chalked out for connecting smaller drains with the large drainage lines Kejriwal said that consultants will be roped in to plan and present project reports for all drainage lines to expedite the implementation of projects According to a government statement a Technical Expert Committee has been working to decide design parameters and technical inputs like rainfall intensity return period runoff coefficient retention period for Delhis drainage master plan while experts from IIT Delhi have been roped in to analyse the drainage systems and suggest solutions for them The statement said that to enhance Delhis drainage system studies were conducted using digital modelling of the physical drainage systems of the city A number of recommendations have been made for the Delhi Drainage Master Plan Some of these recommendations are that there should be no encroachments on storm water drains and sewage or waste materials should not come into storm water drains No construction such as utilities and pillars of elevated road or metros should be allowed inside storm water drains Rejuvenation of water bodies should be ensured the statement said According to government data there are about 2846 drains in Delhi and their length is about 3692 km majority of which are being managed by the Public Works Department PWD Delhi is divided into three major natural drainage basins -- Trans Yamuna Barapullah and Najafgarh In addition there are also some small drainage basins the Aruna Nagar and Chandrawal which drain directly into the Yamuna Earlier in the day the CMO tweeted regarding the meeting and said Chief Minister convened a review meeting on citys drainage masterplan Necessary changes will be made in drains on suggestions of IIT Changes will be done keeping in view better discharge of water during monsoon Waterlogging problem of the city will be solved Kejriwal had last month said a world-class drainage system would be developed across the national capital He said drainage systems like the one at Minto Road would be replicated across Delhi and drains and sewers would be desilted regularly PTI AKM CK