If you’re one of the lakhs who sat for the exam, here’s what you need to do: head to your regional RRB site, log in with your registration number and DOB, and download both the provisional answer key and your response sheet. Compare them side by side; that’s how you predict your score. But here’s the catch: if you spot an error in the key, you can challenge it. The objection window is open till September 30, 2026; and each objection costs ₹50. Yes, ₹50 per question. That might seem small, but if you’re confident a question was wrongly marked, it’s worth the fee. RRB will review all objections and release the final key soon after. Pro tip: don’t wait till the last day. The portal might crash. Also, keep your response sheet saved; you’ll need it for the next round too. This isn’t just about checking answers. It’s about knowing where you stand before the official result drops. And if you’re close to the cut-off? Every mark counts.