Drainage and Flooding: Why Every Monsoon Catches India Off Guard
Every year, India's cities flood. Mumbai's 2005 floods killed 1,094 people. Chennai's 2015 floods caused ₹20,000 crore in damages. Bengaluru's 2022 floods inundated IT campuses worth billions. And every year, after the waters recede, the same authorities promise improvement — and the same drains remain blocked.
Why Urban Flooding Is a Governance Failure, Not a Natural Disaster
India's average annual rainfall has not changed dramatically. What has changed is urban land use. Lakes, wetlands, and floodplains that historically absorbed rainfall have been encroached, built over, or filled in. Mumbai's Mithi River, Chennai's Pallikaranai marshland, Bengaluru's Bellandur Lake — all reduced in size by decades of encroachment. When the same rainfall falls on concrete rather than wetland, it floods.
The Stormwater Drain Problem
Urban stormwater drainage networks in India were designed for population sizes from the 1960s and 1970s. A network designed for a city of 1 million cannot drain a city of 10 million. But rebuilding urban drainage is expensive and politically difficult — it requires acquiring land, displacing encroachments, and making unpopular decisions.
What Citizens Can Demand
- Annual pre-monsoon desilting of stormwater drains — file RTI applications to verify it was done
- No construction permits for floodplain areas
- Restoration of urban lakes and wetlands (the National Green Tribunal has ordered this in multiple cities)
- Accountability for encroachments on stormwater drain catchments
The MP's Role in Drainage
Drainage is primarily a municipal function, but MPs can raise flooding consistently in Parliament, demand National Disaster Management Authority (NDMA) reports on urban flood preparedness, and use MPLADS funds for drainage improvement works.
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