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Each roof is a potential resource to let the rain fall on it and capture through a rainwater pipe for later usage. Rain is pure form of water but when it falls on the roof it carries impurities which are lying on the roof. Depending upon the type of geographical area, impurities like leaves, paper, plastic, dust, silt, debris etc. are normally present on roof. Most of our habitats don't use this water as they don't have right equipment to filter out impurities, and mostly rainwater goes down the drains or flows on road that creates water logging.

It is essential to remove these impurities in order to use this water for any application. If we can filter out impurities right from the pipe end, we can get clean water in our tank or well as a resource.

Rain is fresh source of water. When it falls on the roof, the impurities present on the roof flows along with water. Since the Rain doesn't have any time table, it may fall mid night, early morning or during odd hours of the day, it is cumbersome and tedious for one to clean the roof every time when there is a rainfall. And practically it is not possible to clean during night.

We can't avoid the impurities on roof but can always remove these impurities by using NeeRain rooftop rainwater filter. NeeRain rainwater filter is thoughtfully designed simple, scientific and sensible rooftop rainwater filter system to remove physical impurities online from rooftop rainwater.

Rain is fresh and soft water available at no cost. We get millions of litres of water every year across the world. Rain is the fundamental source of water that helps raise water level in all our existing sources of water. Rivers, Dams, Lakes get filled and even aquifer below get rainwater through natural process of percolation. Rainwater in the natural form is the form of water which is soft in nature and doesn't contain any impurity. Rainwater if captured, collected, filtered and stored, is the best way to avert crisis of water. Rainfall on roof, surface,river,garden, loose soil, paved areas is fresh source of water if not collected it flows and creates water logging or flooding that results in death of thousands of lives, damage to crops, prospeities, homes and animals. It is time to understand the resource in modern context. We need to fill the gap between water scaricity and flooding. It is the most sensible thing to do in today's context. More over rainwater which is allowed to flow in oceans is not a good sign; fresh water then becomes saline water which is good for nothing.

Our new habitats, satellite colonies, integrated townships, industries, institutions etc. are developing mostly in outskirts of main cities; not connected with municipal water grid. These habitats depend only on ground waterthrough bore wells.

A decentralised approach to make these habitats water sufficient, is harvesting at a point of usage. "Catch the rain where it falls and go closer to it's resource". Rooftop rainwater harvesting in the most efficient, effective and economical manner is the first step towards being water secure for a better tomorrow.

Our country, India is suffering from worst ever water crisis in the history. Millions of lives and livelihood are under threat. Currently 600 Million people face high to extreme water stress and about two lakh people die every year due to inadequate access to safe water. The situation is only going to get worse.

Every year the water demand is rising from Agriculturre, Industrial and Domestic sectors. Cities in coastal zone are facing serious issue of sea water intrusion in deep aquifers, such salinity ingress make the water of confined aquifer non usable for any purpose. This aquifer is a large storage of water for billions of people in that geography. Contamination of water has dangerous effect on agriculture, animals and humanity. In addition cities closer to sea are in danger of sinking below sea level as water in aquifer is going down deeper.

The water demand is expected to double the available supply of water in few years from now. Under these circumstances more than half of the world's population will have to face extreme water crisis. Major cities in the world have already reached 'Zero water or Dry Stage'. We know that water can't be made in the factory but the realisation is far.

Availability of fresh water in rural and semi urban areas is a major problem as they do not have connection with government water grid. Surface water is polluted by human, agriculture and industrial waste. Ground water, in many parts of the world is found to have excess impurities like salt, Flouride, Nitrate, Iron, Chromium, Lead, Cadmium, Arsenic, Uranium etc. largely due to over extraction from borewells.

Extensive use of ground water for agriculture, industrial or any other purpose are increasing salinity (TDS levels) and hardness in raw water. Consumption of this quality of water results in many diseases including chronic kidney diseases. In Urban areas people treat this raw water through Reverse Osmosis and Softening plants resulting in huge wastage of water; This is not only exacerbating the water crisis but also adding huge electricity bills, carbon emissions that fuels effect of Climate Change. 

Water is the most essential element for all living beings. Five elements- Earth, Water, Light, Air and Vaccum give us energy to live a healthy and happy life. 

Same way the well being of humanity, environment and the functioning of the economy depend upon the sensible conservation of these five elements. Problems related to water in modern context are increasing worldwide.

Water level in dug wells and bore wells is going down day by day. Our cities are on the verge of Zero day due to acute scarcity of water.

Women and Children have to walk miles to fetch clean water for daily requirement of cooking and drinking. This is a great concern for civilised society and for developing world.

In many parts of the world, lower income groups and poor families have to spend considerable amount of money from their daily wages just to buy water. It is even difficult for the government to address the issues related to water given the pace of Industrialisation and Urbanisation.

Ground water sources are depleting rapidly; surface water sources have got contaminated and these are our main sources of survival.

Water is a teacher, a healer, a mirror, a wonder, a hope, a charm and a essence of life.

Prof. (Dr.) Soumen Kumar Mahapatra, Minister-in-Charge, Department of Water Resources Investigation & Development, Govt. of West Bengal, released the DVD of a SUSANTA BISWAS documentary titled 'Jal Dharo Jal Bharo' (Preserve Water, Reserve Water), produced by the Govt. of West Bengal, at Pragati Utsav in Milan Mela at Kolkata, Thursday, 24th May 2012. Mr. Prasanta Sarkar, Engineer-in-Chief & Ex-Officio Secretary and Mr. Rajib Chatterji, Chairman West Bengal Agro-Industries Corporation Ltd. were present in the occasion.

The documentary, first of its kind produced by the Government of West Bengal, is on the pioneering project of the State Government to preserve rain water with a focus on the activities of State Water Investigation Directorate in this regard. To meet the increasing demand of water for the purpose of irrigation throughout the state of West Bengal, the issue of preservation of rain water and conservation of water in general has emerged with significant gravity for combating the overall scarcity of drinking water and maintaining its regular supply to the fisheries industries. To preserve rain water and other natural water available on the earth’s surface by carefully controlling the respective resources, Government of West Bengal has initiated a pioneering project, titled “Jal Dharo–Jal Bharo” (Preserve Water Reserve Water). All out initiative is being taken to establish appropriate storage tanks and check-dams of various capacities and sizes in different areas at the state, in implementing its goal. The Documentary is made in three languages, e.g. Bengali, English & Hindi.

For details click on the following album link: 

Releasing of a SUSANTA BISWAS Documentary - Jal Dharo Jal Bharo