Dreaming of Nandi is highly auspicious as per dream interpretation and meaning. Nandi or Bull is vehicle of Shiva. It is a good dream you even simply see any bull.
Dreaming of Nandi in a temple means you will have your desire fulfilled. You will get opportunity for new job.
Dreaming of Nandi alone means there will be new relationships and friends. They will be helpful in future.
Dreaming of you feeding Nandi is a sign – it asking you to perform Shradh and other annual rituals associated with family members if you have stopped performing them.
Dreaming of Nandi running or walking means you are in bad friendship or are indulging in some bad actions. The dream is asking you to change your ways and to follow Truth and be honest.