Areas of work

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For Anganwadis
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For Orphanages
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For Schools
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At Kannigaiper Govt. Hr. Sec School, TN
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At L&T Site, Gujarat
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At L&TECC Site, Trichy
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Terafil 220 mm larger diameter candles stacked just out of kiln, after incineration and burning the clay candle for sintering.
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Filter tailer made for 200L tank using stopper for a house in Anna Nagar to remove iron.
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Government officials from CIPET inspecting Terafil candles at factory.
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Donating filters to a school on 11.11.11 – 11 filters to 11 classrooms
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300L coconut-shaped tank we did for Inno Nano Research Private Ltd., an IIT - Madras incubated company.
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300 litres coconut tank deployed in Murshidabad district for removal of iron and arsenic (a carcinogenic material) in West Bengal
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Community tank fitted with arsenic water filter in West Bengal.
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In the Press

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Sanitation Innovation Accelerator 2016 declared its cohort of six organisations

The Sanitation Innovation Accelerator 2016 (SIA’16) had its official Launch Event at the India Habitat Centre, New Delhi on 25 May 2016.   See More...
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India’s Hottest Young Entrepreneur Award by Business World

j.Chandrasekaran has a B.Sc in Chemistry and a post-graduate degree in plastics, he is a tinkerer by nature who is constantly looking to improve people’s lives.   See More...
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Ushering in #StartupIndia with The Power of Ideas

The thrust from the Government and pro-view of the market has opened many new arenas for India’s startup community. With the recently announced Startup India Policy, the Government...   See More...
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Fun and learning at Mannvaasanai

The eco-friendly water filter made up of Nano clay drew special attention at the one-day mela 'Mannvaasanai', organised by the Aseema Trust here on Wednesday.    See More...
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Despite thirst for potable water; low-cost filters find few takers

Chennai: J Chandrasekaran knows that sending the low-cost water filters he developed to customers is an expensive excercise. But he doesn't say no to anyone.    See More...
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The Science of Dirt (Part 1)

Entrepreneur building and selling affordable, electricity-free water filters made with clay, sand and sawdust in India He’s currently building and selling affordable, electricity-free,..    See More...
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The Science of Dirt (Part 2)

High hopes for the scalability of $12 water micro-filters made of natural elements Chandra described how he was helping restore dilapidated temples in buildings all over India when he saw...    See More...
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Man who gave all safe drinking water access

A plastic engineer from CIPET, Chennai, who works with Bahrain Fibre Glass in Mumbai, Chandrasekharan has journeyed through most of Tamil Nadu chasing his passion for heritage and troubleshooting social issues.   See More...



WATSAN News

  Visit to Rwanda with Hon'ble Vice President Hamid Ansari as part of innovators from India to Rwanda from 18th to 22nd Feb 2017.    
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  Invited to speak at the Madras Management Association’s Uncommon Leaders speaker series, Chennai (15th September, 2016).    
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  As a Newton Fund recipient, Watsan was invited to participate at the Royal Academy of Engineering’s CAETS 2016 Convocation, Engineering a Better World, London (14th September, 2016).    
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  J. Chandrasekaran participated as a cohort at the Leaders Innovation Forum, Royal Academy of Engineering, London (March–April, 2016).    
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  We are one of the 20 finalists of GCIP (Global Cleantech innovation programme) conducted by GEF and UNIDO where 20 innovators will be mentored and final 2 will be selected for a pitch in USA in February 2017. We attended the boot camp in New Delhi last month.   
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  we are one among the 50 finalists in Conquest 2016, a programme conducted by BITS-Pilani.   See More...

  Last but least, we are happy to be announced as one of the first 100 companies recognized under the start up India programme.   See More...

  Watsan was one of the first batch graduate from Founder Institute Chennai Fall!   See More...
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  Great News! Doctors now prescribe our water filters which are deployed in rural Bengal for removal of arsenic and iron without electricity or maintenance!   See More...

  Tom, a visitor from Germany came to buy smokeless choolas from my friend Sujatha of Servalls and also got connected by her to me.   See More...

  Aid india leading NGO taking our electricity free, maintenance free natural Terafil water filters to be given as part of rehab kit, happy to be associated with them.   See More...

  In the process of setting up a fully automated plant which will be equipped to produce 2,00, 000 filters per month against 10,000 filters a month at the present stage, which has been expected to benefit around 80,000 households.

  As a part of community development, we threw campaigns teaching the villagers the knowhow of the modular toilets, supplied them the materials and also trained the underprivileged and school / college dropouts to make their own living.

  At WATSAN, we always strive to look into the end user's need and make products. We are currently working on readymade below and above the earth level upper super structure as well as the leach or soak pits. One has to dig out the earth and then fit this toilet and the whole operation may be completed in a matter of few hours.

  WATSAN has decided to provide turnkey solutions to villages to encourage them to start toilet manufacturing units within the villages, which would purely run on green energy and nature saving systems, thereby speeding up the process of eradicating open defecation in the country.



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