Step 1: Image Observation.
\nThe dwelling depicted is characterized by: \n- A barrel-vault shape. \n- A semi-cylindrical form with a small entrance. \n- Construction utilizing bamboo, wood, and thatch. \n\n \n
Step 2: Tribal Architecture Comparison.
\n- Bhotia (Uttarakhand): Stone houses with snow-adapted sloped roofs. ✗
\n- Toda (Tamil Nadu): Notable for distinct barrel-vaulted huts, small doorways, and thatched roofs. ✓
\n- Naga (Nagaland): Long, rectangular houses with pitched roofs. ✗
\n- Kutia Kondh (Odisha): Mud-walled, rectangular huts with thatched roofs. ✗ \n\n \n
Step 3: Identification.
\nThis hut is identified as the traditional dwelling of the Toda tribe from Tamil Nadu. \n\n \n
Final Answer: \n\[\n\boxed{Toda, \; \text{Tamil Nadu}}\n\]