The former union home and finance minister also alleged that the BJP-led National Democratic Alliance government would not have taken the bold decision had Jammu and Kashmir been a "Hindu-dominated" state.
Natarajan was admitted to the hospital on Saturday with severe chest infection and was put on ventilator support.
The Tamil chief minister suffered a heart attack on Sunday evening.
'If the Congress is to challenge the NDA government, Rahul Gandhi will have to shed his indifference to Parliament, become more visible and vocal and, essentially, lead from the front,' says Rediff.com contributor Anita Katyal.
'Naidu understands electoral calculus, that the regional parties are yet to gain confidence in Rahul as a vote-catcher,' points out R Rajagopalan.
MDMK chief Vaiko today charged the UPA Government with helping Sri Lanka by giving arms, which enabled that country's army to capture the "deserted" Killinochi and said the LTTE will win the war ultimately.
Sasikala may be set to take over the reins of Tamil Nadu, yet she faces a period of immense turbulence.
'The Godse controversy may have helped Kamal Haasan reach out to a larger audience, both inside the state and outside, coming as it does when the main campaign for elections 19 is over and only those in the four assembly bypoll constituencies are drudging along,' says N Sathiya Moorthy.
The Election Commission today said that Electronic Voting Machines cannot be tampered with, as alleged by some political parties, including the main Opposition party in Tamil Nadu, the AIADMK, and its ally, PMK.
A record 74.4 per cent turnout of voters marked the bypoll to R K Nagar assembly constituency in Tamil Nadu, from where Chief Minister J Jayalalithaa is seeking re-election.
Elections will also be held in 35 assembly constituencies in Odisha.
The no-confidence motion against the government could not be introduced amid the din in the Lok Sabha.
Mounting pressure on the Centre over the Sri Lankan Tamils issue, Tamil Nadu Chief Minister M Karunanidhi will lead an all-party delegation to Delhi on December 4, seeking the prime minister's intervention for an immediate ceasefire in the island nation.
Stung by cross-voting of seven dissident Desiya Murpokku Dravida Kazhagam members of Legislative Assembly in Thursday's Rajya Sabha polls, party founder and Leader of the Opposition Leader in the assembly Vijayakant on Friday charged them with betrayal as they were given a political identity by him.
By itself the event may not amount to much, but what it indicates is a changing, assertive, public doesn't want to be taken for a ride anymore.
Calculated or otherwise, if Azhagiri's firing of the first salvo after Karunanidhi's death does not create some space for him to politico-electorally exploit at a later date, there may not be any space left for him at all, says N Sathiya Moorthy.
He belongs to the dominant Mudukulathor community and has risen from humble origins, having run a tea stall at his home town Periyakulam which is still being operated by his family.
On Saturday, in locations including Korukkupet at R K Nagar allegations of cash distribution were made against some men, whose identity was not known immediately.
Wary of how its alliance with the BJP in the past had cost it votes, the party is determined to steer clear of any harm by association, says N Sathiya Moorthy.
'What we see here is puppetry. The string is with the BJP.' 'All the puppets here are dancing to the direction the BJP pulls the strings.'
The twin announcements have virutally cleared the decks for the merger of the two factions.
R Rajagopalan, who travelled through Tamil Nadu, says it will be an election of many firsts.
Cassandras and Congressis may sneer at the findings, but the Times Now poll indicated that the Modi government was very much on its way to a second term.
The front-runner of course is party treasurer and long-serving party legislator, S Duraimurugan. A Vanniar by caste from the rival PMK-strong northern belt, Duraimurugan makes up for his weak political grounding through his debating skills in the assembly, and witty repartee, both inside and outside. Apart from caste and regional representation, personal loyalty to the leader would count even more -- but there is no death of loyal and competent candidates in the party for the post, says N Sathiya Moorthy.
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 RK Nagar bypoll result is a danger signal to the AIADMK government in Tamil Nadu, says R Rajagopalan.
K Pandiarajan has filed a petition in the apex court in which he has sought a direction for quashing Speaker P Dhanapal's decision rejecting the demand for a secret ballot to determine the outcome of the floor test.
The government is banking on help from regional parties and rejigged numbers in the Rajya Sabha.
Rajinikanth seems to have ended the recently-revived speculation about his imminent launch into direct politics, unlike in the past, when he had expressed specific or indirect support one or the other of the two 'Dravidian majors', says N Sathiya Moorthy.
Rajini's call may now force other political parties, including the DMK and the Congress, who are in alliance talks already, to come up with water proposals of their own in their poll manifesto. In a way, this may be a 'tactical victory' for Rajinikanth, says N Sathiya Moorthy.
Jayalalithaa, in a statement in Chennai, alleged that DMK activists, accompanied by rowdies and anti-social elements, had rigged polling in all the 155 wards in the Chennai Corporation with the help of police
'Nobody is telling you not to speak or learn your mother tongue. But making other languages an emotional issue is wrong.'
Besides the SAD, the SP, the AIADMK and the TRS supported the idea; while the AAP, the TDP, the JD-S, the AIFB, the DMK, the TMC, the GFP and Left parties opposed it.
'The BJP will be the single largest party in the next Lok Sabha, the only one party with a three digit tally.'
For the first time in recent times, rebellion was open in the monolithic AIADMK with party workers wanting change of candidates in so many places.
M Karunanidhi was a masterful practitioner of modern-day politics, wielding considerable influence beyond his own state, in the corridors of power in New Delhi, for a long time and sewing up alliances with both the Congress and the Bharatiya Janata Party.
Prime Minister Manmohan Singh may intervene in the discussion on several files pertaining to coal block allocations going missing, Minister of State for Parliamentary Affairs Rajeev Shukla said on Thursday.
The actor also said that the Centre will face TN wrath if it fails to set up CMB.
In private, AIADMK spokespersons say that the raid on Chief Secretary P Ramamohana Rao might be aimed at weakening the AIADMK, and demotivating the party from selecting/electing Jayalalithaa's confidante, Sasikala Natarajan, as her successor -- first as party head then possibly in the government, says N Sathiya Moorthy.