It is located in The Nilgiris District of Tamil Nadu State, South India and is a Revenue Village of Coonoor Taluk.

Ketti which received 82 cm on 8 November 2009 (Depression ARB/03 or intensified Cyclone Phyaan ) is the record holder for highest rainfall registered in 24 hours in Tamil Nadu.

In addition to this, they also take up jobs in the surrounding industrial establishments, such as the Needle Industries, the mushroom factory, Ambica tea factory, Mini flower garden near Palada bus stop and the various educational institutions (these include the CSI College of Engineering, the Laid-law Memorial School and the CSI Middle School).

The nearby town of Santhoor (located at the lowest point in the valley, also locally known as ramakrishnas place) has a post office.

The State Bank of India operates a Ketti valley branch, which is situated near the CSI College of Engineering.