A Grand Challenge Competition, jointly organized by Sony India Software Centre Pvt. Ltd. and IIT-Madras Pravartak. The Department of Science and Technology under its National Mission on Interdisciplinary Cyber-Physical Systems (CPS) aims to create a strong foundation and a seamless ecosystem for CPS technologies by coordinating and integrating nationwide efforts encompassing knowledge generation, human resource development, research, technology and product development, innovation and commercialization. It has funded IIT Madras to host the Technology Innovation Hub (TIH) for Sensor, Networking, Actuators and Control Systems (SNACS) area. TIHs will be the nodal centres spearheading the activities in a specific domain. IITM Pravartak Technologies Foundation, which is the TIH for SNACS, in collaboration with Sony India Software Centre Pvt. Ltd. is conducting a Grand Challenge Competition, based on the SPRESENSETM board named SAMVEDAN 2021 - "Sensing" Solutions for Bharat.