Which of the following statements is not correct?

1. Statement (A) is not correct. The Western Ghats are generally higher in their southern region compared to the northern region. Peaks like Anai Mudi and Doddabetta are in the south. 2. Statement (B) is correct. Anai Mudi (2695 m) in Kerala is the highest peak in the Western Ghats and also in South India. 3. Statement (C) is correct. The Tapi river flows through a rift valley situated to the south of the Satpura Range. 4. Statement (D) is correct. The Narmada and the Tapi river valleys are considered to be old rift valleys.