Prime Minister Narendra Modi today said Mahatma Gandhi's home in Porbandar offers a great lesson in water conservation. In a tweet, Mr. Modi linked an article on <a href="http://narendramodi.in/" target="_blank" data-saferedirecturl="https://www.google.com/url?q=http://narendramodi.in&source=gmail&ust=1664814861960000&usg=AOvVaw3aQoiMcH5YAmh040thMzv1">narendramodi.in</a> which describes the lessons to be learnt from Mahatma Gandhi's home.<br />''<br />''<br />