Correct Answer: 4. C, A, B, D
Solution:C, A, B, D
• Rajjis (C) are located in Uttarakhand, the northernmost group among these.
• Sahariya (A) are found in Rajasthan and Madhya Pradesh, further south.
• Jenu Kuruba (B) reside in Karnataka, in southern India.
• Kadar (D) are located in Kerala and Tamil Nadu, the southernmost region. Thus, the correct north-to-south order is Rajjis → Sahariya → Jenu Kuruba → Kadar.