He has over 14 years of experience, and has worked with the Government of India, and other top institutions such as the Indian Statistical Institute. Das has filed 18 patents in his domains of expertise including intelligent video surveillance, quality preserving adaptive compression, autonomous driving, and super-resolution encoding. He has published and presented over 26 papers in international journals and conferences including IEEE. He is the author of five books on vision saliency, signal processing, digital communications, and guide to signals and patterns in image processing.