Each of the options provided attempts to match the types of plains with their characteristic features.

Option 1: (A - 3), (B - 2), (C - 4), (D - 1). This option correctly identifies Bhabar with gravels. However, it incorrectly associates Bhangar with silt, Khadar with Kankar, and Delta with Marsh.

Option 2: (A - 3), (B - 4), (C - 2), (D - 1). This is the correct matching according to geographical terms. Bhabar is characterized by gravels, Bhangar is old alluvium soil with Kankar (lime concretions), Khadar is newer, fertile alluvial soil represented by silt and Deltas, being near water bodies, are often characterized by marshes.

Option 3: (A - 1), (B - 4), (C - 2), (D - 3). This incorrectly associates Bhabar with marsh and incorrectly identifies Delta with gravels while the rest matches are also wrong.

Option 4: (A - 1), (B - 2), (C - 4), (D - 3). This