The people in India differ greatly from one another in respect of language and social habits. Regionalism describes situations in which different religious or ethnic groups with distinctive identities coexist within the same state boundaries, often concentrated within a particular region and sharing strong feelings of collective identity.
Regionalism stands for the love of a particular region or an area in preference to the nation or any other region.
Thus to understand the different dimensions related to the regionalism following topics have been covered in this series:
These Articles may prove to be fruitful in writing Mains answers.