"Terminal 2": Would you be looking at the DUB terminal? I see that the arriving flight at EWR uses Terminal C, and I understand that you'd have pre-clearance at DUB so this would be like a domestic arrival. The question would be about the connecting flight: it looks like all EWR-IND flights are Express, most of which go from A, needing an airside bus connection. It would be a tight connection even if on-time, and long-haul flights are subject to delay.