It is a lack of commonality in ideals and aspirations. It is an ati thesis to nationalism
The main factors for growth of regionalism are
1. Human diversity
India is a plural society with people divided based on caste,race, religion.
The society is characterised by hierarchy and rigidity.
There are thousands of ddifferent langgs, dialects adding to this diversity.
In order to protect their regional customs and culture various political parties have come up like TDP, DMK, shiv sena
2. Economic roots
Often the feeling of regionalism si due to economic inequality. This was clearly seen in case of speperation of JH frm BH.
BH comprised of 30% tribals but the tribal region contributed towards 70% of state revenue. But only 10% of funds were spent on tribal areas.
3. Social roots
Identity crisis is when there is a fear of getting alienated from society
As a result different sections of society form regional groups to gain all the benefits
There is growing inequality among people.
This has lead to sons of soil movements in AP, Assam and other north eastern states
4. Politics and administration
Vote bank politics: Appeal to traditional ideals like caste and project socio economic prblms as cultural regional problems
Administration prblms like boundar disputes and riparian disputes
5. Geographical factors
North east and JK are disconnected from indian politics
Given special status under consttn
Allowed to prepserve their traditions
Rough terain prevents efficient and accesible administration
The divide and rule policy of british
Policy of isolation and partial isolation