What is Nalgonda technique? WATER DEFLUORIDATION: NALGONDA TECHNIQUE Detail: Product: Process for removal of excess fluoride in ground water by using Nalgonda technique. Application: Safe
When was whale song discovered? 1967 In 1967, an American biologist began listening to sounds from the ocean that he found both spectacular and beautiful.
Who is santhana Lakshmi? Santhanalakshmi. M. R. Santhanalakshmi (Tamil: எம். ஆர். சந்தானலட்சுமி; 1905–1957) was a Tamil film actress who played lead roles in movies of