The nomination is an indication that the veteran Congress leader is not sure of victory from Raebareli, the Lok Sabha constituency she has represented for five terms.
There was a celebratory mood outside her Delhi residence.
Congress leader Navjot Singh Sidhu has been at loggerheads with the chief minister, attacking him on issues like the alleged delay in the completion of a probe into the 2015 desecration of Sikh texts and the subsequent police firing on protesters.
She was born in 1946 in the town of Or Orbassano, near Turin (Italy) and married Rajiv Gandhi in 1968.
By choosing not to declare her son Rahul Gandhi as the party's prime ministerial candidate, Congress President Sonia Gandhi has averted a Modi versus Rahul battle and effectively insulated her family against a backlash over a possible defeat in the 2014 Lok Sabha election.
She was down with viral fever and doctors advised her to be under medical supervision.
Senior Congress leader Ghulam Nabi Azad on Friday resigned from all party positions, including its primary membership, delivering another blow to the embattled party that has seen a series of leaders leave it.
United Progressive Alliance chairperson Sonia Gandhi is said to be travelling abroad for a routine checkup in connection with her treatment.
The meeting came a day after Rashtriya Lok Dal president Ajit Singh met the Congress chief for a tie-up in Uttar Pradesh.
Congress general secretary and chief spokesperson Randeep Surjewala said Gandhi is stable and will be in the hospital for a few days.
The BJP accused Congress leaders of colluding with foreign forces to destabilize India and demanded Sonia Gandhi to disclose her role in a George Soros Foundation-funded organization's activities. The ruling party also attacked Rahul Gandhi, calling him a "pawn" for his protests against the Adani issue.
The original Mrs Gandhi -- Indira -- had delivered a second successive election victory for the Congress in 1971 but before that she had to win a war. The reigning Mrs Gandhi -- Sonia -- has also led the Congress to consecutive poll successes (in 2004 and 2009) but she hasn't had to go so far as to fight an external war, though there have been many domestic battles, writes Kidwai, whose second book on Sonia Gandhi, 24 Akbar Road, is soon to be released by Hachette Books
Congress Parliamentary Party chairperson Sonia Gandhi has criticized the Waqf (Amendment) Bill, calling it a 'brazen assault' on the Constitution and part of the BJP's strategy to keep society in a 'permanent state of polarization.' She also spoke out against the One Nation, One Election Bill, calling it a 'subversion of the Constitution.' Gandhi further accused the Modi government of ignoring the women's reservation bill and other demands for reservation, and of 'dragging the country into an abyss' where the Constitution will only exist on paper. She also criticized the government for limiting the speaking time of the Leader of the Opposition in Parliament and for not allowing discussions on important issues like the working of the defense and external affairs ministries and the challenges posed by China on the border.
"We met Gandhi and sought her intervention on the Maharashtra government's decision to ban dance bars," Bharatiya Bar Girls Union chief Varsha Kale said.
The Congress will hold a chintan shivir immediately after the Budget session of Parliament and the CWC will meet again before that, he told reporters
Congress president Sonia Gandhi was discharged from the Sir Ganga Ram Hospital in New Delhi on Monday evening and was advised rest at home, the party said.
Barely two months before the Lok Sabha election, Gandhi will be filing her nomination papers in Jaipur on Wednesday. Party chief Mallikarjun Kharge, her son Rahul Gandhi and daughter Priyanka Gandhi Vadra are likely to accompany her.
Manmohan Singh and almost all his Cabinet colleagues were among those who drove to her 10, Janpath residence in New Delhi to wish her.
Her medical condition was stable and she has been advised rest.
She is reportedly suffering a stomach ache, a source close to Gandhi said.
President Pranab Mukherjee created a flutter in the Congress party by agreeing to meet 40 Congress MLAs from Andhra Pradesh.
Film actor Sanjay Dutt, a 1993 Mumbai serial blasts convict out on bail, on Monday met Congress president Sonia Gandhi in Delhi.
Hours after he and his supporters were dramatically evicted from the Ramleela maidan in New Delhi by the police, Baba Ramdev spewed venom on Congress President Sonia Gandhi and claims that there had been an attempt to eliminate him. Sheela Bhatt reports on his press conference
Congress president Sonia Gandhi turned 62 on Tuesday, but it was a subdued affair as she did not celebrate her birthday as a mark of tribute to the victims of the recent Mumbai terror strikes.The party had last week said that Gandhi will not celebrate her 62nd birthday and also asked party workers not to visit her today.However, Home Minister P Chidambaram and Congress General Secretary Rahul Gandhi were among the first to visit Gandhi to wish her.
Filmmaker Jagmohan Mundhra talks about his biopic on Sonia Gandhi and other forthcoming movies.
'Mrs Gandhi had nothing to do in the day-to-day working of Dr Singh's government.' 'People say Mrs Gandhi's office used to give orders, which is nonsense.'
Her move comes after doctors advised her to get away from the heavy pollution in the national capital in view of her chronic chest infection, party insiders said.
Congress president Sonia Gandhi, who underwent surgery in the United States recently for an unspecified ailment, is "much better". This was stated by Rahul Gandhi, who returned to New Delhi on Sunday after attending to his mother. "She is much better," Rahul told reporters. Sonia had left earlier in August for the US, where she underwent surgery.
She was admitted to the private facility in New Delhi at 7 pm for 'routine tests and investigations', the hospital said in a health bulletin.
'Our leaders, including Mallikarjun Kharge and Rahul Gandhi, are in touch with all Opposition parties, including the DMK and the AAP.'
'Temperamentally, they are quite alike.' 'Ahmed Patel avoided the limelight and was not a power seeker.' 'The Gandhis too are not power wielders, but trustees of power.'
'The BJP has all the instruments with them and they do have a sense of purpose, so I don't think there will be a challenge.'
She described the actor as 'one of the titans of Indian cinema and a great artiste.'
Former Union Minister close associate of the former Andhra Pradesh Chief Minister and Telegu desam Supremo N T Rama Rao, Parvathaneni Upendra, passed away at a hospital in Hyderabad on Monday. Upendra, who was on dialysis after a kidney ailment, died of renal failure.
Against the backdrop of allegations pertaining to illegal mining, Goa Chief Minister Digambar Kamat met Congress president Sonia Gandhi in Delhi. Though the Kamat government has been facing heat over alleged instances of illegal mining in the state, the change of leadership is not on the cards at least till the Justice M B Shah Commission probing illegal mining submits its report. Kamat said his meeting with Sonia Gandhi on Wednesday was a courtesy call.
Observing that a "new situation" has emerged in Jammu and Kashmir, Congress President Sonia Gandhi on Tuesday described the recent unrest in the state as "painful" and appealed to all "dissatisfied" sections to give peace a chance so that their future could be built.
Temple sources said this was her second visit to Tirumala. She had earlier visited the temple on January 28, 1999.