Which one of the following was a corporation of merchant in ancient India:

The Manigramam was a well-known corporation (guild) of merchants in South India, active from about the ninth century in inland and overseas trade, alongside guilds such as the Ainnurruvar and the Anjuvannam. A chaturvedimangalam was a village granted to learned Brahmins, and a parishad was an assembly, not a merchant body.