1. Department of Mathematics, National College of Business Administration and Economics, Lahore, Pakistan
2. Department of Mathematics and Statistics, The University of Lahore, Pakistan
3. Near East University, Mathematics Research Center, Department of Mathematics, Near East Boulevard, PC: 99138, Nicosia/Mersin 10, Turkey
4. Siirt University, Art and Science Faculty, Department of Mathematics, 56100 Siirt, Turkey
5. Department of Electronics and Communication Engineering, Saveetha School of Engineering, SIMATS, Chennai, Tamilnadu, India