He is the designer of the Indian rupee sign. He is an assistant professor at IIT Guwahati. D. Udaya Kumar pursued his doctoral studies at IDC, IIT Bombay (2010). Udaya received his master’s degree, MDes in Visual Communication from IDC, IIT Bombay (2003) and bachelor’s degree in architecture, B.Arch from the School of Architecture and Planning (SAP) at Anna University, Chennai (2001).His areas of interest include graphic design, typography, type design and design research with special focus on Tamil typography. He has completed his PhD on Tamil typography at IDC, IIT Bombay. He has also designed a Tamil font named "Parashakti" as a mini project at Industrial Design Centre, IDC, under the guidance of Prof. G. V. Sreekumar. During his MDes project, he wrote and designed a book on Tamil typography, which is the first attempt at bringing a topic like typography to a Tamil audience. In this book, Kumar also created new Tamil terminology for many typographic terms where English words were used.