Consider the following statements: 1. The Narmada and Tapi rivers lack alluvial and deltaic deposits. 2. The Narmada and Tapi rivers flow in trough faults. 3. The Tapi originates from Multai in Madhya Pradesh. Which of the above statements is/are correct?

The Narmada and Tapi rivers are two significant water bodies in India, particularly in the state of Madhya Pradesh. Understanding the geographical and geological features of these rivers is crucial for comprehending their unique characteristics and the impact they have on the region.

The first statement asserts that the Narmada and Tapi rivers lack alluvial and deltaic deposits. Alluvial deposits are sediments deposited by rivers, typically in floodplains, while deltaic deposits are sediments that form at the mouth of a river where it meets a larger body of water, such as an ocean or sea. The Narmada and Tapi rivers do not form extensive alluvial plains or deltas, which is a distinctive feature of these rivers. This is due to the geological and topographical conditions of the region through which they flow.

The second statement claims that the Narmada and Tapi rivers flow in trough faults. A trough fault is a geological structure where the Earth's crust has been stretched and thinned, creating a depression or trough. The Narmada and Tapi rivers flow through such trough faults, which are part of the rift valley system in central India. This geological feature influences the course and characteristics of the rivers, including their flow patterns and the absence of extensive alluvial deposits.

The third statement states that the Tapi originates from Multai in Madhya Pradesh. Multai is a town in the Betul district of Madhya Pradesh, and it is indeed the source of the Tapi River. The Tapi River flows through Madhya Pradesh, Maharashtra, and Gujarat before emptying into the Arabian Sea. This information is important for understanding the geographical context of the river and its significance in the region.

Each of these statements provides a different aspect of the geographical and geological features of the Narmada and Tapi rivers. The absence of alluvial and deltaic deposits, the flow through trough faults, and the origin of the Tapi River in Multai are all accurate and important characteristics of these rivers. Therefore, all three statements are correct, making option D the correct answer.