Vasundhara is the Goddess of wealth or abundance as like here Brahmanic counter part Laxmi. She is portrayed on sitting on a double lotus pedestal in a posture similar to Tara.
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.