With the respect of provisional 2011 Census report, consider the following sentences

1. India’s population is now pegged at 1.21 billion, an increase of more than 181 million in the last 10 years

2. The growth rate in 2011 is 17.64 per cent in comparison to 21.15 per cent in 2001

3. The 2001-2011 periods is the first decade – with exception of 1911-1921 which has actually added lesser population compared to the previous decade

4. Child sex ratio in 2011 is 194 female against 1,000  male – the lowest since independence

Pick out the correct option