Agrahara:

• Agrahara refers to a type of land grant in ancient India, particularly during the medieval period.
• These land grants were typically given to support Brahmin communities, scholars, and temples.
• The purpose of an Agrahara was to provide a sustainable means of livelihood for Brahmins, who played crucial roles in religious and educational activities.
• The land granted as Agrahara was often tax-free or had reduced taxation, enabling the beneficiaries to focus on their intellectual and religious pursuits without the burden of excessive economic responsibilities.

So, the correct option is [4].