State Highway 21 runs in Coimbatore, Tiruppur of Tamil Nadu, India. It connects the towns of Pollachi and Dharapuram.
Route The highway passes through Dharapuram, Mulanur and Kannivadi to a length of 118 km.
Major junctions
National Highway 209 (Old numbering) at Pollachi State Highway 87 at Gudimangalam State Highway 37 and 83A at Dharapuram National Highway NH-81 (Old NH-67) near Karur
References