Now drinking water from sea at 25p/lt
The Centre's Science and Technology department has some good news for Chennaiites reeling under water shortage - sea water can be turned potable at 25 paise per litre. This, when the Chennai
The Centre's Science and Technology department has some good news for Chennaiites reeling under water shortage - sea water can be turned potable at 25 paise per litre. This, when the Chennai