(Oct, 2007 to Sept, 2009)Department of Mathematics, Asifa College of Engineering and Technology, Hyderabad, India
(Oct, 2009 to Dec, 2010)Department of Mathematics, SRM UNIVERSITY, Kattangalathur campus, Chennai-603 203- India
(Since, from Jan, 2011 to Till now)Faculty of Science, Department of Mathematics, UNIVERSITY OF TABUK, TABUK, KSA,