Congress Vice President Rahul Gandhi on Sunday called on DMK President M. Karunidhi at the veteran leader’s residence here and enquired about his health. The Congress leader is on two-day visit here and had participated in Karunidhi’s 94th birthday celebrations organised by the DMK on Saturday. Speaking to reporters here on Sunday, Gandhi said he was happy to meet Karunidhi and his health condition is fine. Gandhi also visited the Congress headquarters here and met senior leaders.(IANS)