Mrs Gandhi was elected CPP leader at a meeting of the Congress members of Lok Sabha and Rajya Sabha, held in the Central hall of Parliament.
The name of Mrs Gandhi was proposed by former prime minister Manmohan Singh.Speaking at the meeting, Ms Sonia Gandhi thanked the 12.13 crore voters for reposing faith in the Congress party.
Addressing the Congress MPs, Congress president Rahul Gandhi said, "Every Congress member must remember that each one of you is fighting for the Constitution, for every person in India, irrespective of the colour of their skin and belief."
Sources said that the meeting of the CPP party deliberated on party's strategy for the upcoming Parliamentary session, which is scheduled to be held from June 17 to July 26.
This is the first meeting of the CPP after the results of the Lok Sabha elections, which saw the BJP retain power with a bigger tally if 303 seats in the Lok Sabha while the Congress put up a poor show, winning just 52 seats.(UNI)