Semolina is a coarse flour made from high protein durum wheat. It has a mild and earthy aroma. It has a very gritty and coarse texture. There are many varieties of suji available in the market. However one of the most commonly known varieties is Bombay Rava or sooji. It is made of whole wheat grain which is granulated and refined. It is generally made of a type of wheat called mottai godumai. Another variety is known as Chamba rava, which is an extract of wheat flour.