Step 1: Understanding the 2011 Census.
The Census of India 2011 recorded the total population of the country as approximately 121 crores (1.21 billion). This included both rural and urban populations across all states and union territories.
Step 2: Analyzing the options.
(A) 121 crores: Correct. It matches the official figure from the 2011 Census.
(B) 125 crores: Incorrect. This figure represents an estimated population after 2013.
(C) 130 crores: Incorrect. This number reflects India’s estimated population around 2015–2016.
(D) 135 crores: Incorrect. This figure corresponds to India’s approximate population in 2019.
Step 3: Conclusion.
Therefore, as per the 2011 census, the population of India was 121 crores.