[Vuejs]-What is the best way to propagate event to few component instance in Vue Js?

You could use an ‘event bus’ system for communicating between components (non parent-child communication).

var bus = new Vue()

// in component A's method
bus.$emit('id-selected', 1)

// in component B's created hook
bus.$on('id-selected', function (id) {
    // ...
})

Please see:
https://v2.vuejs.org/v2/guide/components.html#Non-Parent-Child-Communication