Pratilipi requires JavaScript to function properly. Here are the instructions how to enable JavaScript in your web browser. To contact us, please send us an email at: contact@pratilipi.com
कृपया अपनी पसंदीदा भाषा चुनें
Bengali
Gujarati
Hindi
Kannada
Malayalam
Marathi
Tamil
Telugu
English
Urdu
Punjabi
Odia
prevention of environmental pollution
प्रतिलिपि
प्रतिलिपि