The correct option is B
2010
Population is increased by more than 2 lakhs from 2009 to 2010 and this is maximum growth .
In 2009 , there is no growth in the population compared to the previous year.
In 2011 , population increased by less than 1 lakh compared to the previous year. .
Similarily in 2012 , population increased by less than 1lakh compared to the previous year..