1. Research Scholar, Department of Mathematics, B. R. A. Bihar University, Muzaffarpur andLecturer of Mathematics, Department of Mathematics, R. R. M. Campus, Janakpurdham, Nepal.
2. Research Scholar, Department of Mathematics, B. R. A. Bihar University, Muzaffarpur andLecturer of Mathematics, Department of Mathematics, R. R. M. Campus, Janakpurdham, Nepal
3. Professor of Mathematics & Principal, R. L. S. Y. College, Betiah, B. R. A. Bihar University, Muzaffarpur, India