Referring to any person who is indicated, implying ownership or relationship

जो कोई

English Usage: "Whosever book that is, please return it."

Hindi Usage: "जो कोई किताब है, कृपया उसे वापस करें।"

An indefinite pronoun used to indicate ownership by an unspecified person

जिसका भी

English Usage: "Whosever decision was made should be respected."

Hindi Usage: "जिसका भी निर्णय लिया गया है, उसे सम्मानित किया जाना चाहिए।"