About the Authors

Y. Rohen Singh

NIT Manipur, Takyelpat, Imphal, Pin, Manipur, India
D. M. College of Science, Imphal, Pin, Manipur, India

L. Premila Devi

D. M. College of Science, Imphal, Pin, Manipur, India

Corresponding Author

Email: ymnehor2008@yahoo.com