1. Department of Chemistry, JNTU, Hyderabad, India;
2. Department of Chemistry, Osmania University, Hyderabad, India;
3. Department of Chemistry, Osmania University PG College, Narsapur, India;
4. Department of Chemistry, Government Degree College Manthani, Peddapalli, India;
5. Department of Biochemistry, Mahatma Gandhi University, Nalgonda, India