1. Department of Physics Gulbarga university kalaburagi PG center Raichur –584133 Karnataka.,India
2. Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Ballari, Karnataka, 583105, India
3. Department of Physics Government College Autonomous Kalaburagi
4. Deparment of physics BKIT-, Bhalki, Bidar – 585 328, Karnataka, India