Tara, a bodhisattva of compassion and protection, is shown dispensing boons to the surrounding devotees, as indicated by her lower hand held in varada mudra. From the tips of her fingers she drips nectar into the mouth of the hungry ghost (preta) who sits below, his belly swollen because of starvation.
Learn more about this painting, presently at Metropolitan Museum of Art, New York

The painting of Ratnapani, a bodhisattva, the one who bears the wish fulfilling gem. The video is about the elements of this painting, explained by B.N. Goswami.