1. Institute of Applied Sciences, Mangalayatan University, Aligarh, Uttar Pradesh, India
2. Department of Mathematics, K. C. T. C. College, Raxual, a Constituent Unit of BRA, Bihar University, Muzaffarpur, Bihar, India
3. Department of Mechanical Engineering, Taif University, Taif, Saudi Arabia
4. Department of Applied Sciences and Humanities, Institute of Technology and Management, Aligarh, Uttar Pradesh, India