The Karanja tree- Pongamia Glabra - is widely distributed in tropical Asia. The tree is hardy and drought resistant. The 'Pongam' tree is commonly found in India and grows to a height of about 1 m.
The oil of the Karanja or Pongam is used in pharmacy and in agriculture. Like, neem oil, it is excellent for skin and hair and used in the manufacture of soaps, creams, lotions and other skin and hair care products.
A mixture containing equal amounts of neem and karanja oil is very effective on animals for skin problems.
Good resources for more information on Karanja are: