Answer : 3. "North Indian"
Explanation :

1. Nagara-style temples generally have a North Indian style of architecture.

2. The Nagara style is associated with the land between the Himalayas and the Vindhyas, the Dravidian style is associated with the land between the Krishna and Kaveri rivers, while the Vesara style is sometimes associated with the area between the Vindhya and Krishna rivers.

3. Nagara-style temples are mainly made up of four chambers. They are –

- sanctum sanctorum

- Jagmohan

- Natyamandir

- Bhogmandir