Contents: 1. History and importance of aromatic plants. 2. Classification of aromatic plants. 3. Essential oils of aromatic plants. 4. Prospects and constraints in the production of aromatic plants. 5. Institutions involved in research and development of aromatic plants. 6. Mint. 7. Davana. 8. Ocimum species. 9. Scented geranium. 10. Patchouli. 11. Lemongrass. 12. Citronella. 13. Palmarosa. 14. Vetiver / khus. 15. Rosemary. 16. Thyme. 17. Lavender. 18. Eucalyptus. 19. Little marigold. 20 Damask rose. 21. Jasmine. 22. Tuberose. 23. Clary sage. 24. Dill. 25. Chamomile. 26. Ambrette. 27. Kewda. 28. Sandalwood. 29. Maturity indices and harvesting of aromatic plants. 30. Post harvest technology of aromatic plants. 31. Distillation of essential oil from aromatic plants. 32. Fractionation of essential oil. 33. Quality analysis of essential oil. 34. Aromatherapy.