Congress President Sonia Gandhi will file her nomination papers for the Rae Bareli Lok Sabha seat on April 2, party sources said today. 

Gandhi who will be seeking re-election from the seat, will be accompanied by party's Vice President and her son, Rahul Gandhi when she arrives here for filing her nomination papers.

Her daughter and in-charge of the constituency Priyanka Gandhi Vadra and her husband Robert Vadra are also expected to join her, they said.