According to 2011 census, total population of Tripura is

According to 2011 census, the state's population is 36.74 lakh, with a density of 350 persons per sq. km. Population pattern and demography have always been fluctuating. In 1901 Tripura's population was 1.73 lakh, with tribals making up nearly 52.89 percent of the whole.
Option B is close to 36.74 lakh hence it is the correct answer.