Under RWH Structure Survey programme, HMWSSB developed Mobile app to GHMC & HMWSSB Staff with the following features 1. Geo tag pit: Consumer who have already constructed the RWH PIT will be update by survyor against the CAN number . 2. For department to asses the total rain water harvesting pits in the city. 3. Maintenance Guidelines for RWH PIT 4. Various type of RWH techniques