Padmasambhava was a renowned and highly learned tantric saint of Northern India. In the middle of the eight century the Tibetan King Thi – Sron Detsan sent to India inviting the learned guru to come to Tibet.
Kubera is the lord of wealth and guardian of the Northern Direction. According the Hindu mythology, he is said to have performed austerities for a thousand years.
Ganesha, the elephant headed god of wisdom and success is the defender and remover of obstacles and has to be propitiated first before worship to other gods.