This expert lecture was delivered by Dr. Mehulkumar Desai, Lecturer in EC, Government Polytechnic for Girls, Surat in online mode. In this session the basics of satellite-based navigation system, different terminologies and NavIC architecture was explained to the participants. In it effects of positional accuracy and how the navigation system works were discussed. Various applications of satellite-based navigation system were discussed in depth. The session motivated students to work towards make in India by using the NavIC made in India and for India.