Travancore, Kochi and Malabar regions had a number of salas, the ancient seats of learning. Which of the following salas were not located within the present Kerala state?
i. Kanthaloor Sala
ii. Sukapuram Sala
iii. Parthivapuram Sala
iv. Sreevallabha Perumsala
1. i & ii
2. ii & iii
3. iii only
4. i, ii, iii & iv