Consider the following statements regarding the criteria used by the India Meteorological Department (IMD) to declare a heatwave:
Statement-I: IMD declare a heatwave is when the temperature of a place crosses 40 degrees Celsius (°C) in the plains, 37°C in the coastal areas and 30°C in the hills.
Statement-II: IMD takes relative humidity into account to declare a heatwave.
Which of the following is correct in respect of the above statements?