Step 1: Understanding population density.
Population density refers to the number of people living per square kilometre of land area. It indicates how crowded or sparsely populated a region is.
Step 2: Population density in Indian states.
According to the latest census data, Bihar has the highest population density in India, with over 1,100 people per square kilometre. It is followed by West Bengal and Kerala.
Step 3: Conclusion.
Thus, the Indian state with the highest population density is Bihar.