1. In-Vitro and In-Vivo Tools in Emerging Drug Delivery Scenario: Challenges and Updates 2. Intraoral and Peroral Drug Delivery Systems 3. Transdermal Drug Delivery Systems 4. Nasal and Pulmonary Drug Delivery Systems 5. Ocular Drug Delivery Systems 6. Gastroretentive Drug Delivery Systems 7. Colon Targeted Drug Delivery Systems 8. Brain Targeted Drug Delivery Systems 9. Parenteral Drug Delivery Systems Appendix: Characterization Parameter and Common Characterization Tools