Step 1: About Yama–Yami Samvada.
In the Rigveda, the Yama–Yami Samvada is a dialogue (sūkta) between Yama, the god of death, and his sister Yami.
It occurs in Rigveda, Mandala 10, Hymn 10.
Step 2: Context of the dialogue.
Yami urges Yama to unite with her for the continuation of human progeny, since they are the first-born twins of Vivasvat and Saranyu.
Yama, however, firmly rejects her proposal, emphasizing moral and social laws, thus highlighting the importance of dharma in Vedic tradition.
Step 3: Analysis of options.
- (1) Son–Mother relation: Incorrect, Yama and Yami are not mother–son.
- (2) Husband–Wife relation: Incorrect, though Yami wanted union, Yama rejected it.
- (3) Brother–Sister relation: Correct, Yama and Yami are siblings (twins).
- (4) Son-in-law – Father-in-law relation: Incorrect.
Step 4: Conclusion.
The Yama–Yami Samvada in the Rigveda represents a brother–sister relationship.