With voting schedule out, Congress released its fourth list of 27 candidates.
The list includes 12 from Kerala.
The party renominated its sitting MPs and former Union ministers, Shashi Tharoor and K Suresh, from Thiruvananthapuram and Mavelikkara Lok Sabha seats.
Among the 27 Lok Sabha seats declared on Saturday, 12 are from Kerala, seven from Uttar Pradesh, five from Chhattisgarh, two from Arunachal and one from Andaman and Nicobar Islands.
In Kerala, of the total 20 seats, the party is contesting in 16, but has not declared the candidates for the other four seats.
In Uttar Pradesh, the party has fielded Harender Malik (Kairana), Indira Bhatti (Bijnor), Om Prakash Sharma (Meerut), Arvind Singh Chauhan (Gautam Budh Nagar), Brijender Singh (Aligarh), Pritam Lodhi (Hamirpur) and Bal Krishna Chauhan (Ghosi).