Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-calculator-assess-needs-crops
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-machines
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-management
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/irrigation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientific-and-technical-development