1. Department of Chemistry, Panimalar Engineering College (Autonomous), Chennai, Tamil Nadu, India
2. Department of Chemistry, Rajalakshmi Engineering College, Chennai, Tamil Nadu, India
3. Department of Computer Science and Design, R.M.K Engineering College, Chennai
4. Department of Physics, University College of Engineering, Tiruchirappalli, India
5. Department of Chemistry, University College of Engineering, Panruti, India