On Wednesday, Sukhpal Singh Khaira from Sangrur filed his nomination papers for the Lok Sabha elections in Punjab.
Senior party leader, former chief minister Rajinder Kaur Bhattal, and other leaders accompanied Khaira.
Before filing the nomination papers, Khaira held a rally in Sangrur.
Addressing the gathering, Warring said Khaira would also register victory by a huge margin from the Sangrur seat.
Congress nominee Khaira, an MLA from Bholath, is pitted against AAP's Gurmeet Singh Meet Hayer, SAD's Iqbal Singh Jhundan and Shiromani Akali Dal (Amritsar) nominee and sitting MP Simranjit Singh Mann.
The nomination process for the Lok Sabha polls in Punjab began on Tuesday.
The nomination filing will continue till May 14 while the scrutiny of papers will take place on May 15 and the last date for the withdrawal of nominations is May 17.
Polling for all 13 Lok Sabha seats in Punjab will be held on June 1.