Option 1: Sikhara - The Sikhara is a prominent feature in North Indian temple architecture. It is the tower-like structure that rises above the main sanctum. It is typically pyramidal or curvilinear in shape and serves as a symbolic representation of the mountain where the gods reside.

Option 2: Garbha Griha - The Garbha Griha, also known as the inner sanctum, is the most sacred area of a North Indian temple. It houses the main deity and is usually a small, dimly lit chamber. Devotees offer prayers and make offerings in this space.

Option 3: Gopura - Alert - The correct answer should be "Pradakshina." Gopura, on the other hand, is a distinctive feature of South Indian temple architecture. It refers to the monumental entrance gateways that are often elaborately decorated with intricate carvings and sculptures.

Option 4: Pradakshina - Pradakshina is the act of circumambulating the temple in a clockwise direction as a form of worship. It is a common practice in both North and South Indian temple architecture and signifies the devotee`s reverence for the deity.