This study is an innovation in its kind with its rich data on Santali, one of the least studied languages of South Asia. The strength of the study is the presentation of data necessary for the grammatical description and the understanding of discourse properties of the language. The author brings his linguistic skills and creativity as well in presenting his data. This study will be a landmark in the preservation of the language. The data can be useful to theoretical and computational linguists, developers of Santali educational materials, scholars interested in Santali culture and people.