Dr. Vishnu Kumar Sahu
(i) Post doctral researcher, Deparment of Chemistry, Maharani Lal Kunwari Post Graduate College, Sitapur Road, Balrampur-271201(U.P.), India
(ii) Chemistry Lecturer, Rasayan Vibhag, Shia Intermediate College, Sitapur Road, Lucknow-226020 (U.P.), India