This course will provide a brief, clear and concise idea on Descartes Philosophy. This course covers almost all the important discussions of Descartes Philosophy starting from his Method of Doubt, establishing his first philosophical principle 'cogito ergo sum', criterion of truth, proofs of God's existence, theory of ideas, substance and the mind body dualism. Students will be benefitted who want a quick and concise view of Descartes Philosophy as a whole.