Karnataka government has made it mandatory to carry a negative covid report or the vaccination certificate of at least one does in order to enter the state. However, you should still follow all the guidelines provided by the government and take the necessary precautions that are : 1. Wearing masks and gloves in public places 2. Maintaining social distancing 3. Sanitizing your hands regularly 4. Avoiding crowded spaces 5. In case of any symptoms, get yourself tested urgently Also, make sure to check the latest news and the guidelines before travelling to the state.