"Nitishastra" provides a detailed study of ethical philosophy across different cultural and philosophical traditions. This academic text covers three major areas: Indian ethics, Western ethics, and practical ethics, offering students a well-rounded understanding of moral philosophy. The work examines classical ethical theories alongside contemporary moral challenges. Key chapters such as Bharatiya Nitibidya (ভারতীয় নীতিবিদ্যা), Pashchatya Nitibidya (পাশ্চাত্য নীতিবিদ্যা), and Byabaharik Nitibidya (ব্যবহারিক নীতিবিদ্যা) provide systematic analysis of moral reasoning and ethical decision-making processes. Students seeking to understand Western ethics and comparative moral philosophy will find this text particularly valuable. The book bridges traditional ethical thought with modern moral dilemmas, making complex philosophical concepts accessible while maintaining academic rigor and depth.