In the present study, an attempt has been made to review the original Whipple index, and several modifications suggested to it over time. Several researchers throughout the world try to modify the Whipple index by changing the linearity assumptions and single year age range to give the better result. This study also tries to re-modify the modified Whipple index by changing the single year age range and compare it with the other indices. To know the current scenario of age misreporting in India, its states and district this newly developed index is used for calculation. The data required for this study is single year age-sex distribution of the population of India, its states and district for the census years 2001 and 2011.