1. Department of Mathematics, Jagan Nath Gupta Institute of Engineering and Technology, Jaipur 302022, Rajasthan, Algeria
2. Department of Mathematics, Jagan Nath University, Village-Rampura, Tehsil-Chaksu, Jaipur 303901, Rajasthan, Algeria
3. Department of Mathematics, National Institute of Technology, Jamshedpur 831014, Jharkhand, India