This book Bio-Potential Heterocycles illustrates the recent advances in heterocycles with biological potential, which are generally essential for undergraduate and postgraduate courses research. This book is also beneficial for students to carry out their projects at UG and PG levels.Since heterocyclic molecules are earlier used as a tool for drug design and progress viz., indole, thiazole, quinoline, coumarin, benzooxazine, pyrrazole, oxadiazole, etc. These heterocyclic derivatives well-known as an advantaged scaffold which represents an extensive assortment of beneficial potential such as antibacterial, antifungal, antimycobacterial, antiviral, anti-protozoal, antimalarial, anticancer, cardiovascular, CNS effects, antioxidant, anticonvulsant, analgesic, anti-inflammatory, anthelmintic and miscellaneous activities.