Option 1: Aizawl - This option is the correct answer. Aizawl is the capital city of Mizoram and is located very close to the Tropic of Cancer. It is situated at approximately 23.73 degrees North latitude, making it the place nearest to the Tropic of Cancer among the given options.
Option 2: Rajkot - Rajkot is a city in the state of Gujarat. Although it is also located in the northern hemisphere, it is further away from the Tropic of Cancer compared to Aizawl. Therefore, it is not the correct answer.
Option 3: Kolkata - Kolkata, also known as Calcutta, is the capital city of West Bengal. It is situated at approximately 22.57 degrees North latitude, which is further away from the Tropic of Cancer compared to Aizawl. Hence, it is not the correct answer.
Option 4: Imphal - Imphal is the capital city of Manipur. Like Aizawl, it is also located in the northeastern part of India. However, it is not as close to the Tropic of Cancer as Aizawl. Therefore, it is not the correct answer.
In summary, among the given options, Aizawl is