How many classes of town are there in India based on population size ? Give the size as well. Which of them has the highest percentage of people ?

Explanation

6 classes of towns.
Class I - More than 1 lakh population
Class II - 50,000 - 99999
Class III - 20,000 - 49999
class IV - 10,000 - 19999
Class V - 5000 - 9999
Class VI - Less than
Class I towns have highest percentage.