1. Department of Pharmacy, Donbosco PG College, Vatticherukuru Mandal, Guntur-522 017, India
2. K.C. Reddy Institute of Pharmaceuatical Sciences, Jangamguntla Palem, Medikonduru Mandal, Guntur-522 348, India
3. Bharat Instite of Pharmacy, Mangalpally Village, Ibrahimpatnam, PR Dist.-501506, India