The interim poll came at Nagarkoil in January 1969 due to the death of Marshal Nesamani. To find out the situations of the constituency Nedumaran and Sironmani toured the entire constituency. Kamaraj carefully heard what those two lads told him. They wanted Kamaraj should definitely contest there. Others also insisted Kamaraj . Kamaraj accepted the request of the younger generation. In the interest of the party he was ready to enter into an experiment. He addressed in a general meeting at KARUNGAL on 30th November 1968. At that time he conveyed his acceptance to contest for M.P.s election.

Interim poll was conducted on 8th January 1969. People of CapeCamrion worked for his victory. The entire Tamilnadu was there. Kamaraj pinned the badge on his body. Ladies received Kamaraj with enthusiasm. Kamaraj won in the election with a margin of 1,28,201 votes.

Mother's ill-health :-

Kamaraj received a message about the bad health condition of his mother. He went by flight to Madurai and by car to Virudhunagar. He was informed that his mother was in death bed. He never got tensioned, he was talking to Nedumaran as usual.