Twelve candidates submitted their nomination papers, including three in Gauhati constituency, one in Mangaldoi, two each in Barpeta, Nawgong, Kokrajhar and Dhubri seats, they said.
The last date for filing nominations is Saturday (April 5), scrutiny of nomination on April 7 and withdrawal of candidature is April 9, sources said.
Assam will have a three-phase polling for 14 Lok Sabha seats on April 7, 12 and 24.