What u Know about Tamil Nadu. You know only state in India backward community score higher than so called Brahmins and also coimbatore & erode district alone many thousand entrepreneur. You can not compare any district in India. Tvs,Sanmar & amalgamation are 20 years before big. Now HCL,Ma Foi,Parry, Murgappa group,Sun Tv,Sugna Pultry,etc. Tiruppur (14000 cr foreign ex revnue), Erode (400-600 cr foreing ex. revnue) Karur (3000 cr foreign exch revnue), Namakkal (Egg city get orde to export to South american countries) and still more. You can find more in en.wikipedia.org/wiki/Tamil_Nadu.
Not like countable big companies. TN is only state 80% of social life improving. Also no. of entrepreneurs are more. The most enterprising community Nadars,Cownders,Karaikudi Chettiyars,etc. Most of the Universities belongs to Chettiyars not Bhramins. Ex- Annamali,Alagappa, AC Tech, many hundred schools,Hindu Temples (Madurai Meenakshi). But All bramin group have few school only not even singel temple haven't build. Only chase the backward people to convert Christan and Muslim. Erode-agri student said, we can produce artificial rice if Karnataka/Kerela refused to give water for irrigation. TN veg. and food productn. far higher than any state with less water. So we can find solution in many way to bring top TN in particular and INDIA in general.