In which of the following states is there hardly any differences in day and night temperatures?

Correct option is C

The correct answer is (c) Kerala
 Kerala, located in the southern part of India, experiences a relatively consistent climate throughout the year.
 Due to its proximity to the equator and its coastal geography, Kerala has a tropical climate characterized by high humidity, moderate temperatures, and abundant rainfall.
 The difference between the day and night temperature is likely to be the highest in the Thar desert.
 In the Thar Desert, the day temperature may rise to 50°C, and drop down to near 15°C the same night