Congress president Rahul Gandhi may file his nomination papers on Thursday, sources said.
He will arrive at Kozhikode on Wednesday. Rahul will hold discussions with KPCC leaders.
Police have beefed up security arrangements in the constituency.
Priyanka Gandhi is also expected to assist him.
K C Venugopal is in charge for the arrangements of Rahul’s rally ahead of filing nomination.
The last date for filing nominations in Kerala is April 4. The last day for withdrawal is April 8.