In 1947, the boundaries of several old states of India were changed in order to create new states. This was done to ensure that people who spoke the same language lived in the same state. Some states were created to recognise differencces based on culture, ethnicity or geography. These include states like Nagaland, Uttarakhand and Jharkhand. Some national leaders feared that formation of states on the basis of language would lead to the disintegration of the country. So the Central Government resisted linguistic states for some time. But the experiences have shown that the formation of linguistic states has actually made the country more united. It has also led to the much-needed administrative efficiency