1. Department of Chemistry; CMR Institute of Technology; Bangalore 560037 Karnataka India
2. Department of Chemistry; KLS's Gogte Institute of Technology; Jnana Ganga Udyambag, Belagavi 590008 Karnataka India
3. Department of Applied Sciences; MIT Academy of Engineering (An Autonomous Institute Affiliated to Savitribai Phule Pune University), Dehu Phata, Alandi (D); Pune 412105 India
4. Department of Chemistry; K.L.E. Institute of Technology; Gokul, Hubballi 580030 Karnataka India