1. Department of Inorganic and Analytical chemistry, Andhra University, Visakhapatnam, India
2. Vignan’s Foundation For Science, Technology & Research University (VFSTRU), Vadlamudi, Guntur, Andhra Pradesh 522213, India
3. Department of Pharmacology, Shri Vishnu College of Pharmacy, Vishnupur, Bhimavaram – 534202, India