Directions: The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.  

Q:

In which census year, the percent increase in population is highest as compared to that in the previous census year? 

• 1
  1951
• 2
  1961
• 3
  1971
• 4
  1981
• 5
  None of these