A. Narayan, Department of Mathematics, Darbhanga College of Engineering, Darbhanga, Department of Science and Technology, Government of Bihar, India
Bhuvana, Department of Mathematics, Davangere University, Shivagangotri, Davangere 577007, Karnataka, India
Hariom, Department of Mathematics, Maharani Shri Jaya Government College Bharatpur (affiliated to Maharaja Surajmal Brij University), Bharatpur, Rajasthan, India
Kuleshwari, Department of Mathematics, Govt. V. Y. T. PG Autonomous College, Durg 491001, Chhattisgarh, India