With reference to ancient South India, Korkai, Poompuhar and Muchiri were well known as
a
capital cities
b
ports
c
centres of iron-and-steel making
d
shrines of Jain Tirthankaras
Ancient South IndiaSangam Age PortsKorkaiPoompuharMuchiriMuzirisSangam AgePandyaCholaCheraAncient Ports