Those who, owing to the sarhskaras of previous birth, are very advanced souls receive tivra or intense Saktipata. They are liberated without much sadhana or praxis.
Those who are less qualified receive madhyama Saktipata. This induces them to seek a guru or spiritual preceptor, to get initiation and practice yoga. In due course, they get liberation.
Those who are still less qualified receive manda (moderate) saktipata. This creates in them genuine eagerness for spiritual knowledge and meditation. They will also get liberation in course of time.