1. Department of Chemistry, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad-500 075, India
2. Department of Chemistry, Jawaharlal Nehru Technological University, College of Engineering, Kukatpally, Hyderabad- 500 085, India
3. Department of Regulatory Toxicology, National Institute of Pharmaceutical Educational Research Balanagar, Hyderabad-500 037, India