This Briefing Paper aims to understand the linkages between connectivity and prosperity in the Northeast Border Region of India. Connectivity aids the region’s development and paves the way for the improvement of social infrastructure. The Paper analyses the cross-border infrastructure projects and Government of India’s schemes, such as Border Area Development Programme, North East Special Infrastructure Development Scheme, and Non-Lapsable Central Pool of Resources schemes. It identifies the challenges and concludes by highlighting paths to prosperity, through improved connectivity that requires a concerted effort and is imperative for any development strategy, leading to shared prosperity.