The Congress has invited Prime Minister Manmohan Singh to campaign in the Union Territory for its candidates. “He is likely to visit Karaikal but the date is not yet finalised,” sources in the Congress said.

Meanwhile, a team from the Special Protection Group has reached Puducherry to oversee the security arrangements for Congress president Sonia Gandhi's visit here on April 5. She would address a public meeting. Party general secretary Rahul Gandhi is also likely to visit Puducherry for campaigning, sources said.

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