What are Euphenics? Explain its use for the improvement of human welfare. (UPSC 2015, 15 Marks, )

यूपेनिक्स क्या हैं? मानव कल्याण में सुधार के लिए इसका उपयोग समझाएं। (What are Euphenics? Explain its use for the improvement of human welfare.)

What are Euphenics? Explain its use for the improvement of human welfare. (UPSC 2015, 15 Marks, ) EN ह function dochangelang(val) { if (val != "") { window.location = val; } }