The correct option is C 800−1122 CE
The Nadus were under the Perumals who ruled Kerala with their capital at Mahodayapuram. All the 14 nadus from Kolathunadu in the north to the Venad in the south accepted the rule of the Perumals, thus creating a centralised rule in Kerala for the first time. Rajasekharan, Sthanu Ravi, Kotakota Kerala Kesari, Adhithyan Kota, Ramakulasekharan were some Perumal rulers who ruled during 800-1122 CE with Mahodayapuram as their capital.