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Cheapest drinking water filter. A much-needed innovation.
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Meet the K'taka college student who's making drinking water a reality for the poor for just Rs 20 | The News Minute
Nirnal - Meet The Man Behind India's Cheapest Potable Water Purifier
Catalogue - Nirnal Water Filter in Khas Bagh Belgaum, Belgaum - Justdial
New Range Of Water Filters From The Makers Of Cheapest Water Filter Nirnal - All About Belgaum
How this 22 year old Engineering Student created World's First Portable Water Purifier 'Nirnal' - Student Stories
NIRNAL - World's Cheapest Water Filter By Niranjan Karagi.
Mechanical engineer's Rs 30 water filter: Perfect solution to clean drinking water in India
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Nirnal water filter in Charholi Budruk, Pimpri Chinchwad-412105 | Sulekha Pimpri Chinchwad
NirNal Travel Water Bottle Filter : Amazon.in: Home & Kitchen
The_IndianLife - Portable water filter for travelling For... | Facebook
Karnataka Boy Niranjan Karagi Develops World's Cheapest Water Purifier
Nirnal Water Filter
Karnataka Boy Makes the World's Smallest Water Filter That Comes Just For Rs 30 - The EarthView