There is no bigger complicated social phenomenon than Indian caste system. It has intrigued the foreigners as well as Indian alike. That is what researches and consequent books keep on coming on the subject. Here is a painstaking study by a British census officer who studied and concluded his findings in a most lucid and readable style. Since it has come from a compassionate author it is of purely academic, but at the same time quite authentic. It will be useful and readable for both common readers as well as scholars.