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India - Physical Map from the Survey of India (2002)
A definitive physical features map of the country from the Survey of India, showing elevation in metres of different regions and major rivers and land formations.
Survey of India
Posted on 18 Aug, 2009 05:35 PM

Download the map from the attachment listed below:
Land use map of India: National Institute of Hydrology
The National Institute of Hydrology has mapped the various land use regions of the country to indicate the percentage of land under forests, non-agricultural, plantation and grass lands
National Institute of Hydrology (NIH)
Posted on 18 Aug, 2009 05:20 PM

Land is used for agriculture, for growing forests, for grazing animals, for mining, for installing industries and for construction of houses, roads, railways, etc. For sustainable development and prosperity of any country, the proper and wise use of the land is required.
Toolkit on rainwater harvesting: Basics, overview and related technologies
Learn the basics of rainwater catchment systems, components, collection for domestic water supply and the socio-economic as well as health aspects
Rainwaterharvesting.org
Posted on 18 Aug, 2009 04:25 PM

Rainwater harvesting is an option which has been adopted in many areas of the world where conventional water supply systems have failed to meet the needs of the people. Examples of RWH systems can be found in all the great civilisations throughout history.

Here's an eToolkit on rainwater harvesting that tells you all that you need to know to harvest rain successfully.
Rainwater harvesting basics: All you need to know about recharge pits
A recharge pit allows the rainwater to replenish groundwater by recharging the underground aquifers. It can be built to recharge a borewell or just to help the water infiltration in an area.
rajshekar
Posted on 18 Aug, 2009 04:09 PM

1) Overview:
How to construct a rainwater tank: A comprehensive design and performance guide
The guide gives a detailed overview about the design aspects, different types of systems, costing, performance, water quality and regulatory issues of rainwater tanks
Peter Coombes
Posted on 18 Aug, 2009 04:06 PM

Water Sensitive Urban Design in the Sydney Region has come out with a comprehensive brochure which details out the system overview, design, costing and water quality issues in the construction of rainwater tanks

Click here to download the guide
Map: Annual average rainfall of India
The annual rainfall map of India indicating the volume of rain different regions in the country receive
Maps of India
Posted on 18 Aug, 2009 03:57 PM

Over a range of under 20cm to over 800cm, these two maps, give an idea of the average rainfall received by different regions in the country.

The lowest rainfall receiving areas are Rajasthan, Gujarat, Western Uttar Pradesh, parts of Haryana and Punjab, and the central peninsular region of Karnataka, Maharashtra and Andhra Pradesh.
All things Ecosan: A comprehensive tookit on the subject
A compilation of information relating to Ecosan from various organizations working on sustainable sanitation
GTZ Ecosan Program
Posted on 18 Aug, 2009 02:10 PM

GTZ Ecosan Program (www.gtz.de/en) has compiled ecosan materials from several organisations into a CD of capacity building resource material. This CD can be downloaded from this page in its entireity.
River basin and sub-basin map of India from the Central Ground Water Board
The Central Groundwater Board have come out with watershed and basin-wise maps for the entire country. Here's an introduction and the link to the resource
Central Ground Water Board (CGWB)
Posted on 18 Aug, 2009 01:04 PM

Watersheds are natural hydrological entities that cover a specific aerial expanse of land surface from which the rainfall runoff flows to a defined drain, channel, stream or river at any particular point. The terms region, basin, catchment, watershed etc are widely used to denote hydrological units.
Map depicting the salinity affected areas in India
This map indicates the extent of salinity affected areas in the coastal states of the country
IRFC
Posted on 18 Aug, 2009 12:52 PM

The map shows that Tamil Nadu, Kerala, Karnataka, Goa, Maharashtra and Gujarat are high salinity zones, and Andhra Pradesh, Orissa and West Bengal are moderate salinity zones.

Click here to view the map - IRFC
All you need to know about rain barrels: Stepwise preparation and construction guide
Using a rain barrel is the easiest way to begin rainwater harvesting. Rain barrel serves as a storage unit for rooftop rainwater. It can collect a substantial amount of rainwater.
rajshekar
Posted on 18 Aug, 2009 12:51 PM

Overview

In Bangalore, for example, for an annual rainfall of 900mm over 60 rainy days and a roof area of 50 sq.m.
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