Jul 03, 2006· Sambandham was an informal mode of marriage followed by Nairs, Samantha Kshatriya and Ambalavasis with Nambudiris, in what is the present day state of Kerala, India. All of these were matrilineal communities. The custom is no longer observed. Alternate names for the system were used by different social groups and in different regions; they included Pudavamuri, Pudavakoda, Vastradanam, …