Option d is the correct answer. The Sarnath Buddha image of Bhumisparsha Mudra belongs to the Gupta period, which lasted from the 4th to the 6th centuries CE. The Sarnath Buddha image is one of the most famous examples of Gupta Buddhist art. It is a sandstone sculpture that is depicted as the Buddha seated in the Bhumisparsha Mudra. In this hand gesture, all five fingers of the right hand reach down to touch the ground. It represents the moment when the Buddha became enlightened under the bodhi tree. The statue is thought to have been originally located in a stupa, or Buddhist shrine.