The correct option is C (c) Gupta sculpture
The sublime image of the Buddha represented in the act of turning the Wheel of Law is one of the masterly creations of Gupta classical sculpture. The image is carved in Chunar sandstone and has a surface texture of shining smoothness. The Master is shown as seated in Vijraparyanka with the hands held near the breast in Dharmachakrapravartana Mudra (the gesture of Preaching). A subtle discipline permeates the entire figure, physically as well as mentally