Priya, being married to Amit, is Ravi's sister-in-law since Ravi is Amit's brother. There exists a familial relationship between Ravi and Priya established through the marriage. Priya does not need to seek Ravi's permission to make decisions regarding her and Amit's shared household. In a typical family structure, the marital partners (in this case, Priya and Amit) are jointly responsible for decisions concerning their household. Ravi, being Amit's brother, holds a kinship relation to Priya but does not have a direct say in the household decisions of Amit and Priya, unless voluntarily involved by the couple.
If Amit is married to Priya, and Ravi is Amit's brother, what is the relationship between Priya and Ravi? Should Priya seek Ravi's permission to make decisions regarding her and Amit's shared household? Respond very briefly.