Kalai Vanakkam is a morning show which aims at providing information on plants, books and religion. The first segment of the show gives you the history behind various cities and towns in Tamil Nadu. Dr. Ganapathy, in the second segment, shares some useful facts about herbs and their medicinal uses. The topic of discussion in the third segment is Periya Puranam, which is explained in detail by writer Durai Namasivayam. Naan Paditha Puthagam, is the final segment, wherein a famous Tamil writer is chosen to talk about his favourite book.