Question: what are the types of yoga in hinduism?
Answer: [NOTE: What follows is a decent summary of the basic approaches of the four classical types of yoga (bhakti, jnana, karma and raja). ... 
Meaning of Yoga.
The Path of Love: Bhakti Yoga.
The Path of Knowledge: Jnana Yoga.
An Unreal Universe.
Self-Affirmation.
The Path of Work: Karma Yoga.
The Path of Meditation: Raja Yoga.