DibruSadiya Railway (DSR) (Assamese: - ) was one of the pioneering railway companies in British India and the first railway service of Assam in north-east India.
ডিব্ৰু-শদিয়া ৰেলৱে (ইংৰাজী: Dibru Sadiya Railway, চমুকৈ DSR) ব্ৰিটিছ অসমৰ প্ৰথম ৰেল প্ৰতিষ্ঠান।