Which of the following hills are present where Eastern Ghats and Western Ghats meet?

At which of the following hills the Eastern Ghats join the Western Ghats?

The Eastern and the Western Ghats meet each other at

The Eastern Ghats and the Western Ghats meet at

Mahendragiri, the highest peak of the Eastern Ghats, is located in which one of the following states?

Which is the highest peak in the Western Ghats of Kerala?