Would Increasing the Number of States in the Country lead to Developmental Progress?

What differences can lead to the demands for a new state, in the name of progress and prosperity? Different languages, and perhaps even the various dialects of a language? Financial conceit to promote economic inequality? Religion? Heralding a whole new political blame-game? Yet a better reason for ostracism – caste. And then perhaps the dissimilar strata of the same caste? Where does this division of states, more politely referred to as “re-organisation”, eventually lead us?