1. Department of Mathematics, JECRC University, Jaipur, Rajasthan 303905, India e-mail:
2. Department of Mathematics, Jagan Nath University, Jaipur, Rajasthan 303901, India e-mail:
3. Department of Mathematics, Faculty of Arts and Sciences, Cankaya University, Etimesgut/Ankara 06790, Turkey;
4. Institute of Space Sciences, Magurele-Bucharest 077125, Romania e-mail: