Consider the following statements about Kaveri river:

1.It rises in the Western Ghats' Mahabaleshwar range.

2.It reaches the Bay of Bengal in Tamilnadu, south of Madurai.

3.Parts of Karnataka, Kerala, and Tamilnadu are drained by it.

R. Krishna, R. Amravati, R. Bhavani, R. Hemavati, and R. Kabini are some of its tributaries.

Which of the statements given above is/are incorrect?