Chennai's IB students — at The American International School Chennai, Chettinad Vidyashram, and PSBB Millennium — carry the academic traditions of Tamil Nadu into a globally competitive context. Their preparation should honour both.
Tell us your level and goal — we will reach out within 24 hours to understand whether this is the right fit.
🛡️ No obligation · 30-day guarantee on all courses
"IB AA HL is one of the hardest pre-university mathematics courses in the world. Every student who takes it deserves a mathematician — not a workaround."— Dr. Ritukar Chadha, PhD (Maths), M.Sc (Maths) · Founder, R. Chadha IB Maths
Chennai has one of India's strongest academic traditions. IIT Madras, NIT Trichy, and top medical colleges draw students from across South India. IB students here bring a mathematical aptitude that deserves proper development — not shortcut-based coaching.
Chennai students frequently target IIT Madras, NIT Trichy, UK universities, and institutions in Singapore and Australia.
Dr. Chadha's platform serves IB AA students from every international school in Chennai. The same depth of preparation — regardless of which school you attend.
Two routes — the self-paced digital course, and premium 1:1 coaching. Both built on the same R. Chadha Signature Model. All sessions conducted online. Payment accepted in INR and USD.
The complete AA HL course — every topic from first principles, built on 28 years of university mathematics teaching and 10 advanced textbooks.
Founder's Cohort pricing — first 50 students
Join the Founder's Cohort →Direct, personalised preparation with Dr. Chadha. Maximum 8 students at any time. Sessions targeted to your specific gaps, IA, or Paper 3.
Subject to availability · Applications reviewed individually
Apply for Coaching →Every concept taught from first principles — not backwards from a marking scheme.
Ten advanced mathematics texts — the deepest content foundation in the IB space.
Decades at university level — real mathematics at its highest standard.
14-component Signature Model — built for mastery, not shortcuts or shortcuts.
"I do not teach students what to write. I teach them to understand — so deeply that no question can surprise them."— Dr. Ritukar Chadha, PhD (Maths), M.Sc (Maths)
"Tamil Nadu's academic culture values genuine understanding. Dr. Chadha's first-principles approach aligns with that — it is not an exam factory, it is real mathematics."
A brief conversation to understand your situation, your goals, and whether this is the right fit. No pressure, no obligation.