This is perhaps for the first time the CBI raided a serving police chief of a state.
Karunanidhi, 94, died at the Kauvery hospital on Tuesday following prolonged illness.
The DMK has been alleging that the AIADMK government was being controlled by the BJP government at the Centre.
In an age when the electorate is increasingly impatient and changes governments every 5 years, how did the Tamil Nadu chief minister beat anti-incumbency?
We don't have confidence in the chief minister, the MLAs said.
Kerala Union of Working Journalists decided to boycott the press meets called by the BJP after saffron party workers attacked mediapersons.
There is nothing to suggest that the DMK stands to gain from the AIADMK split nor is there anything indicative of an extraordinary advantage for the BJP, independently or in the company of the AIADMK, explains N Sathiya Moorthy.
The Modi juggernaut is all set to paint the five south Indian states in saffron colours, writes R Rajagopalan.
'Appointed, sponsored and nurtured' by Jayalalithaa, P Rama Mohana Rao is now seen as a man who holds the key to the secrets of ministers and bureaucrats.
What will a split in the AIADMK mean for Tamil Nadu?
The DMK chief said it was a 'resounding victory' given to his party led alliance by the people of Tamil Nadu.
The sub-quota scheme may now lead to a ganging up of non-Vanniyars in individual constituencies against the Vanniyars just as in the past, such ganging up against SC-ST candidates was seen in the non-quota constituencies, says N Sathiya Moorthy.
The campaign has gathered steam for the June 27 bypoll contest in Tamil Nadu featuring Chief Minister Jayalalithaa as All India Anna Dravida Munnetra Kazhagam workers are going all out to ensure her victory against the lone Communist Party of India challenger.
A shell shocked opposition are finding it difficult to come to grips with the verdict in the disproportionate assets corruption case against Jayalalithaa.
Kamal Haasan's list of controversies is as long as his impressive filmography.
Gopalkrishna Gandhi could only manage 244 votes.
The results will be declared on July 20 in New Delhi.
Scripting history, the Bharatiya Janata Party on Thursday stormed to power in Assam bagging a government in the north east for the first time dethroning the Congress which also lost Kerala while Jayalalithaa and Mamata Banerjee retained power in Tamil Nadu and West Bengal with spectacular victories.
The last leg of poll campaign saw many national leaders canvassing for their parties.
What is the man who hopes to replace Jayalalithaa like as a campaigner?
'The BJP has become a reasonably larger force in Tamil Nadu in the last two years.'
Obviously, the not-so warm vibes between the two during the recent election season is a thing of the past, with Jaya scheduled to offer the Tamil angavastram as a mark of respect to Modi in his South Block office.
BJP-led govt will need regional parties' support in Upper House to get legislation cleared. Archis Mohan reports
Kerala Chief Minister Pinarayi Vijayan dashed off a letter to Prime Minister Narendra Modi, seeking his intervention for repealing the measure. He said the Centre's decision amounts to an "intrusion" to the rights of the states in the country's federal structure.
Tamil Nadu's politics returns to being bi-polar, and that's a good thing, says B Srikumar.
The Dravida Munnetra Kazhagam might have been pushed into a corner to come up with a prohibition policy of its own, if only to create the right atmosphere for talking about an Opposition coalition in the state, says N Sathiya Moorthy
'The alliance led by the DMK is starting with 15% votes while the AIADMK is starting from scratch.' 'Minority votes may be crucial'
'As Karunanidhi and Ramadoss flagged the law and order issue, Subramanian Swamy said Home Minister Rajnath Singh should send Chief Minister O Panneerselvam a directive under Article 246 of the Constitution. Swamy also dangled the fear of Article 356 over the state government.'
The CM thanked Prime Minister Narendra Modi for his support to Jallikattu, an emotive issue which triggered mass protests across the state.
Amid opposition to the Indian Premier League matches matches in Chennai in view of raging protests over the Cauvery issue, Tamil film star Rajinikanth said it would be good if the Twenty20 league's organisers stopped the games in the city as such a gala event would be embarrassing when entire Tamil Nadu was agitating.
In Tamil Nadu politics J Jayalalithaa is the queen of all she surveys today, But there are some ground realities that may still dent her high ambition. Rediff.com's Sheela Bhatt's fascinating new column where she reveals the ground realities in the Battle for India.
The moot point is if a re-energised Jayalalitha will order snap polls when the Opposition is in disarray and her own political starts are on the rise, says N Nathiya Moorthy.
The ruling AIADMK is leaving no stone unturned to win the Vellore Lok Sabha poll and push its tally to two in the state, with its candidate even donning the skull cap to woo minority votes. But the DMK's stars are clearly on the ascendant in the lone constituency that goes to the polls on August 5. A Ganesh Nadar reports.
R Rajagopalan, who travelled through Tamil Nadu, says it will be an election of many firsts.
Modi's non-reference could also imply that the BJP may be keeping its alliance options open vis--vis the AIADMK. It could also imply that the BJP's national leadership had not given up on the DMK returning to power in the state post-poll, and the Centre having to do business with a new government in Fort St George, says N Sathiya Moorthy.
Strategy or confusion? The Tamil Nadu BJP has many reasons to feel let down by Prime Minister Modi's whistlestop tour to the state on Tuesday, says R Ramasubramanian.
The situation is unlike any other legislation/ordinance that governments at the Centre and states had passed on earlier occasions after the higher judiciary had held certain laws, orders or decisions ultra vires of the Constitution, says N Sathiya Moorthy.
With the Supreme Court reinforcing its stay on jallikattu, the state BJP hopes it can persuade its party leadership to bring in an ordinance. But this is a path filled with risk, reports R Ramasubramanian.
Stalin has started campaigning in the name of father Karunanidhi as the party's CM's candidate, but does not seem to have given up hope.
Tamil Nadu's ruling AIADMK may choose to capitalise on the confusion within opposition ranks and hope to ride to power on Chief Minister Jayalalithaa's popularity, writes N Sathiya Moorthy.