In the Nagara style of temple architecture, the images of the river goddesses Ganga and Yamuna are typically positioned at:

Correct Option

The correct option is The entrance of the garbhagriha.

Explanation

The Nagara style of temple architecture is the distinct style of Northern India, which crystallized during the Gupta Period. One of its defining features is the elaborate decoration of the entrance to the garbhagriha (sanctum sanctorum), which follows specific iconographic conventions.

Detailed Analysis

• Entrance of the Garbhagriha: In Nagara temples, the doorway to the main sanctum is treated as a ritual transition point. The images of the river goddesses Ganga and Yamuna are typically carved on the door jambs (shakhas) or at the base of the entrance.
  • Ganga is depicted riding a Makara (crocodile).
  • Yamuna is depicted riding a Kurma (tortoise).
  This placement symbolizes the purification of the devotee by the sacred waters before entering the divine presence of the deity. This tradition became a hallmark of Gupta temple architecture (e.g., the Dashavatara Temple at Deogarh) and continued in subsequent North Indian styles.
• Main Gateway (Gopuram/Torana): While gateways exist in North Indian temples (often as Toranas), the specific pairing of Ganga and Yamuna is canonically associated with the sanctum door. In the Dravida style (South India), the main gateways (Gopurams) are the prominent architectural features, often decorated with various deities and mythological figures, but the specific Ganga-Yamuna motif at the sanctum door is a Nagara characteristic.
• Niches on Outer Walls: The outer walls of the shikhara typically house images of various deities, dikpalas (guardians of directions), or mithuna figures, rather than the specific placement of river goddesses which serves a liminal function at the doorway.
• Pillars of the Mandapa: Pillars in the mandapa (hall) are often carved with floral motifs, kirtimukhas, or yakshas, but they are not the standard location for the river goddesses in the Nagara tradition.

Key Takeaway: The placement of Ganga and Yamuna on the door jambs of the garbhagriha is a distinguishing feature of Nagara style temple architecture, symbolizing ritual purification.