By contrast, poorly performing rulers, eg, in West Bengal and Tamil Nadu, have been sent packing.
Sterlite employs about 3, 000 people in Tamil Nadu, including about 1, 000 at the smelter.
Authorities in India's Tamil Nadu state have lifted a ban on actor Kamal Haasan's film Vishwaroopam.
He was born into a landowning family in what is now Tamil Nadu, in southern India.
Only in Tamil Nadu is the ruling party a member of the national alliance.
But the head of Tamil Nadu's Women's Commission, Vasanthi Devi, said mothers could not be exonerated.
The DMK had lost state elections in 2011 and is now in the opposition in Tamil Nadu.
In Tamil Nadu Jayaram Jayalalitha, a former actress, wowed voters with promises of free rice and other goodies.
In many districts in Tamil Nadu mothers find newer methods of killing their newborn babies without being detected.
Tamil Nadu opening batsman Murali Vijay is the only newcomer in a 15-man squad captained by Mahendra Dhoni.
Southern cinema, particularly in Tamil Nadu, has been freely used as an instrument for propaganda for a party or caste-based ideology.
So is one Indian state, Tamil Nadu, which is prepared to bash its way through taboos and sensitivities.
Last month, at least five people were killed in Tamil Nadu after a tropical cyclone swept across the state.
Analysts say the plight of Sri Lankan Tamils has an emotional and often a political echo in Tamil Nadu.
In the most recent report, Tamil Nadu, Gujarat, and Andhra Pradesh in that order were the top stars in economic freedom.
India has also redoubled its efforts to stem the supply of arms from its southern state of Tamil Nadu.
Hi I'm living in Chennai in the state of Tamil Nadu which is in the southern Part of India.
The film is now expected to be released in Tamil Nadu on Friday.
In subsequent years, the Indian state was challenged by secessionists in Kashmir, Punjab, Tamil Nadu and the north-eastern states.
So why is it that politics in Tamil Nadu has become so distinct?
On Monday, Sterlite said the Tamil Nadu Pollution Control Board had ordered it shut after locals complained of breathing problems.
The poster shows a map of India with the words "Tamil Nadu" printed in bold letters within the state's boundary.
Last week, a judge lifted a Tamil Nadu government ban on the film imposed after Muslim groups objected to it.
"It has been decided that the dubbed movie Dam999 will not be screened anywhere in Tamil Nadu, " the statement said.
In 2011, film exhibitors in Tamil Nadu banned a new film amid a row with neighbouring Kerala over a dam.
BBC: India's Tamil Nadu suspends Kamal Haasan's Vishwaroopam
In the light of these opposing claims, correspondent Mike Thomson has travelled to Tamil Nadu in Southern India to investigate.
Take the capital city of India's Tamil Nadu, Chennai, a festering, overgrown metropolis that is often hit by water shortages.
On Tuesday, a judge had lifted a Tamil Nadu government ban on the film imposed after Muslim groups objected to it.
My father grew up in a mud hut in Tamil Nadu, the youngest of 11 children, 9 of whom survived childhood.
The BJP had pointed to success in Tamil Nadu's neighbour Karnataka in 2008 as evidence that it could branch out southward.
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