If you haven't installed the rainwater-harvesting unit at your house yet, then cough up a huge penalty from December.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/no-rainwater-harvesting-unit-pay-25-fine-bill
[2] http://admin.indiaenvironmentportal.org.in/category/author/rohith-b-r
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-bangalore
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-harvesting
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-policy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pricing
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-recharge
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources