Tempted to make a imaginary map of the Indian Subcontinent as a Union of 18 States

Idea so far
1. Tamizhakam (13 divisions)
2. Karnataka (includes Tulu Nadu)
3. Andhra
4. Sri Lanka + Maldives
5. Maharastra
6. Tribal Belt
7. Odisha
8. Bengal
9. Assam
10. Bihari (Bhojpur, Magadha & Mithila)
…