Concept:Manigramam and Nanadesi were merchant guilds (trade associations) formed by traveling traders in medieval South India.
Explanation:Traders moving across kingdoms and forests often formed guilds for mutual protection and trade.
Manigramam was a guild of itinerant traders active mainly in South India.
Nanadesi was a larger guild from the Hoysala Empire period.
Both guilds traded within the Indian subcontinent and with Southeast Asia and China.
They operated heavily in coastal towns visited by foreign merchants.
Hence, they are known as famous guilds of South India.
Answer:Option B: famous guilds of South India