Aa-3, b-4, c-2, d-1Ba-4, b-3, c-1, d-2Ca-4, b-3, c-2, d-1Da-1, b-2, c-3, d-4Answer: A. a-3, b-4, c-2, d-1 Read Explanation: Matching the mountain ranges with their states: Aravali Mountain:Rajasthan Vindhya Range:Madhya Pradesh Western Ghat:Kerala and Karnataka Himalaya Range:Himachal Pradesh and UttarakhandRead more in App