It was simple. Human. Logical.
That Saturday, his father took him to the old book market near the Gandhi Maidan. Among the piles of dusty, second-hand guides, a thin, unassuming book caught his eye. Its cover was clean, white, and printed in a simple, bold font:
“Dear Student, By now, you have crossed the bridge. Tomorrow, the examiner will not ask you to run faster than anyone else. They will simply ask you to walk steadily. Stay calm. Read the question twice. Show your steps. And remember: a mistake is just a data point, not a verdict. With respect, S. Rajan”
Chapter Study Material English Medium – 2021 S. Rajan, M.Sc., M.Phil., M.Ed. It was simple
Arjun smiled and held up the thin, worn-out, white-covered book. “No institute. Just a bridge builder named S. Rajan, M.Sc., M.Phil., M.Ed.”
He closed his eyes, saw the clean, white page of the study material in his mind, and wrote the solution. Step by step. Neatly.
Week 1: Calculus – Continuity and Differentiability. Rajan sir’s material broke the dreaded chain rule into a cooking recipe. “First, peel the outer function (the onion skin). Then, chop the inner function (the vegetable). Cook them together.” For the first time, derivatives made sense. That Saturday, his father took him to the
Week 6: Differential Equations. The study material introduced a simple “Order, Degree, and Method” checklist. It was like a doctor’s diagnostic chart: “Is it variable separable? If yes, do this. Is it linear? If yes, find the Integrating Factor.” No confusion. No panic.
That summer, he wrote a thank-you letter to the address printed inside the cover. He never got a reply. But he knew, somewhere, a quiet teacher was still designing bridges for anxious students lost in the fog of numbers.
That night, he opened it.
The difference was immediate. Where his school textbook used dense paragraphs, Rajan sir used a single, hand-drawn flowchart. For every definition—Reflexive, Symmetric, Transitive—there was a tiny, real-life example. “Reflexive? You are related to yourself. Symmetric? If Arjun is Shreya’s friend, then Shreya is Arjun’s friend (hopefully!). Transitive? If Arjun is taller than Rohan, and Rohan is taller than Priya, then…”
The night before the exam, Arjun didn't cram. He re-read the final page of S. Rajan’s material. It wasn't a revision formula. It was another letter.
He slumped over, defeated. "I don't need more problems," he whispered to himself. "I need a key ." Tomorrow, the examiner will not ask you to
In the exam hall, the paper was tricky, not hard. One question—a 3D Geometry line-of-shortest-distance problem—froze him for a minute. Then he remembered Rajan sir’s flowchart from the “Three-Dimensional Geometry” Milestone. Step 1: Write equations in symmetric form. Step 2: Identify direction ratios. Step 3: Apply the determinant formula for shortest distance.
Arjun followed the instructions like a mantra.