Historically, every 3-4 years. The 17th global edition is out (2023), but the South Asian edition lags by 12-18 months. As of 2025, the 16th SA edition is still standard in most universities.

You can, but you will miss out on Indian case studies and rural marketing insights. For Indian MBA exams (CAT, MAT, XAT, GMAT India), the Koshy & Jha edition is strongly preferred.

Happy marketing management—the Kotler way.