1. a Department of Quality Assurance , A. R. College of Pharmacy & G. H. Patel Institute of Pharmacy , Vallabh Vidyanagar , Gujarat , India
2. b Department of Pharmaceutics & Pharmaceutical Technology , Indukaka Ipcowala College of Pharmacy , New Vallabh Vidyanagar , Gujarat , India
3. c Department of Pharmaceutics & Pharmaceutical Technology , A. R. College of Pharmacy & G. H. Patel Institute of Pharmacy , Vallabh Vidyanagar , Gujarat , India