P. Sangeetha - Bharathidasan University
R. Sangeetha - Department of Physics, Nehru Memorial College, Puthanampatti, 621007, Tamilnadu, India
S. Mullainathan - Bharathidasan University
Ahmad Irfan
S. Sevvanthi - Department of Physics, Wisdom Women's College of Arts and Science, Anakkavoor, Tamil Nadu, 604401, India
S. Muthu - Department of Physics, Arignar Anna Govt. Arts College, Cheyyar, 604 407, Tamil Nadu, India