Hi Mohita! While Coorg and Chickmagalur will offer lush greens and scenic beauty, in Gokarna you can enjoy the serenity of beaches in the pleasant weather. The temperature in Coorg and Chickmagalur is around 15 degrees Celsius while in Gokarna, it is a warm 34 degrees. Depending upon what you're looking for in your vacation and what kind of climate you enjoy, you will be able to choose. Here are some trips you can check out for more details, which might help you make your decision. Happy Travelling!