The correct option is D Anbil Plates
Inscriptions of the Cholas are available in the form of Copper-plate grants, Anbil and Karandi. Along with the Kanyakumari stone inscription, they give us the lineage of the Chola dynasty indicating its Solar origin. Today, they serve as archaeological sources.
Kamban wrote the Tamil Ramayana and the Hathigumpha edict tells us about Kharavela's victory over the Tamil confederacy.