If we go through the history of our state of our country, we can easily find that though we are huge in numbers, a small number of outsiders are able to fight, defeat and conquers us and make us their slaves. It is only because of our disunity.
The same continues even now. I have not visited any foreign country. But from whatever I have read and understood, if others are asked about their country, they will say USA, China, England etc. If any Indian is asked, we will tell that we are keralite, tamilian, Marathi, Gujarati etc and no Indian can be seen. It just percolates from the national level to the state level. That is all.
Ramanathan A R