The Indian government is adopting a rights-based approach and converting the Directive Principles into Fundamental Rights, which are enforceable in the court of law. That is why we have seen a plethora of rights-based laws recently-right to education, right to employment, right to forest, right to information and now, right to food.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/i-need-food-not-right-food
[2] http://admin.indiaenvironmentportal.org.in/category/author/prasanna-mohanty
[3] http://admin.indiaenvironmentportal.org.in/category/journal/governance-now
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/education
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/legislation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/right-information-rti
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/food-security
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-care