Ketti is a small town nestled in a large valley of the same name. It is located in The Nilgiris District of Tamil Nadu State, South India and is a Revenue Village of Coonoor Taluk. Upper Ketti is another village called Yellanahalli, which is located on the main Coonoor to Ooty road.This is the location of Needle Industries Pvt. India Ltd the manufacturers of the internationally branded Pony Needles.