It's a festive mood in he Sivakumar's family, as his son Karthi has welcomed a new member to their family. Well, the Paruthiveeran star, whose Alex Pandian is being released today (January 11), has become the proud father of a baby girl. Venkat Prabhu, who is directing Karthi in forthcoming Biriyani, was the first person to break the news. The director revealed the news on social networking site Twitter. He retweeted Studio Green's Prabhu post which read ,"Today 11-1-2013 Karthi & Ranjini blessed with girl baby. Both mom & daughter are fine. Normal delivery."