Palmar C-Line Polymorphism in Four Sub-Castes of Reddis of Andhra Pradesh. C-line polymorphism has been reported among four endogamous sub-castes of Reddis namely Desuri Reddis (DSR), Pedakanti Reddis (PKR), Motai Reddis (PKR), and Kodide Reddis (KDR) in Rayalaseema region of Andhra Pradesh.