Gandhi, who reached here Monday afternoon after addressing election campaign meetings in Pathanapuram and Pathanamthitta, spent around 10 minutes with the family members of the late leader of Kerala Congress (M) at his residence here.
Before meeting the family members, Gandhi paid floral tributes to Mani's photo kept at the residence.
"He (Mani) was a towering leader, voice of people of Kerala. So it is an honour for me to come here and pay my respects," Gandhi told reporters after meeting Mani's family members.
He said Mani, as a senior leader with tremendous experience, was "somebody I would listen to and appreciate."
Gandhi was accompanied by senior Congress leaders including Oommen Chandy, Ramesh Chennithala, Mullappally Ramachandran, K C Venugopal and Mukul Wasnik.
Later, Gandhi left for Alappuzha for addressing an election campaign meeting there.
Mani died on April 9 while undergoing treatment at a private hospital in Kochi for pulmonary disease.
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