Describe the three different population density zones of India.
The three population density zones in India are high, moderate and low. They are stated below
(i) The high population density zone, which has a population density greater than 500 persons per sq km, consists of the states Uttar Pradesh, Bihar, West Bengal and Kerala.
(ii) The low density zone, which has a population density lesser than 100 persons per sq km consists of the states Arunachal Pradesh, Mizoram.
(iii) The remaining states fall in the moderate population density zone with 250-500 persons living per sq km. e.g. Madhya Pradesh, Rajasthan and so on.