Explanation:

- Option 1: Brahmadeya – These were lands given to Brahmins and are associated with religious and educational purposes. They provided resources supporting Brahmana settlements and their scholarly activities.

- Option 2: Shalabhoga – Lands specifically allocated for the maintenance and functioning of educational institutions, making it the correct choice for supporting schools or colleges in the Chola era.

- Option 3: Vellanvagai – Lands that were typically reserved for non-Brahmin peasant communities or common people as agricultural land.

- Option 4: Devdan – Refers to land donations made to temples and religious institutions for their upkeep.