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South Delhi has the highest density of IB/IGCSE and CBSE olympiad-track schools in India. Our South Extension centre services Greater Kailash, Defence Colony, Saket, Vasant Kunj, Hauz Khas, Panchsheel Park, and Chanakyapuri. Complete Olympiad Year runs as a blended programme — offline intensive weekends plus online weekday cohort with online-only students across India.
Tell us your class and school. We match you to the right mentor in 15 minutes.
Dr. Shekhar Singh
AIIMS New Delhi alumnus · 15+ years teaching · Director, Cerebrum
South Delhi has the highest IB/IGCSE/Cambridge school density in India, which creates a secondary olympiad pipeline — IB HL Biology students commonly layer NSEB onto their HL coursework because the 75-85% curriculum overlap makes it efficient. Schools like Vasant Valley, Shriram Aravali, Pathways, Mother's International, and Sardar Patel Vidyalaya contribute steadily to INBO qualification from this dual-track group. Our South Delhi cohort has a different profile from the wider Delhi group — more IB students, fewer pure-CBSE, and a higher proportion continue on to US/UK university applications where olympiad credentials carry weight. Programme schedule accommodates IB mock-exam season (Oct-Nov) and the NSEB November paper with staggered content — HL theme review in September, NSEB past-paper drills in October.
Our South Extension flagship centre (D 35, South Extension Part 2) is within 15-25 minutes of Greater Kailash, Defence Colony, Saket, Vasant Kunj, Hauz Khas, Panchsheel Park, Chanakyapuri, and Lajpat Nagar. South Extension metro (Pink Line) is closest; parking available on premises. Most South Delhi students prefer blended delivery — weekday online evenings plus Saturday intensives at the centre for practical lab skills and past-paper mocks.
Students from these feeder schools have joined our NSEB and INBO cohorts. If your school is not listed we serve all CBSE, ICSE, IB, and Cambridge students across India.
Join offline intensive classes at our local centre, or the online national cohort — pick whichever fits your school schedule and commute.
INR auto-shown for India visitors. USD reference on all programmes.
Recommended · 9-12 month programme
Full-year structured coaching from first-principles Campbell Biology to national finals. Weekly live classes, past-paper drills, data-analysis modules, and practical labs.
Senior olympiad tutor, 1:1
One-on-one sessions with a senior olympiad tutor. Best for score optimisation, advanced topic weaknesses, or final-phase pre-national prep.
4-6 students, Sat and Sun
Weekend small-group programme for students balancing school with olympiad prep. Peer learning plus structured curriculum.
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Our Biology Olympiad programme runs primarily online across India so students from all cities can access the same senior biology tutors and past-paper archive. Offline classroom coaching is available at our Gurugram, South Extension (Delhi), and Faridabad centres. Students in other cities join the online cohort.
Most CBSE, ICSE, IB, and Cambridge schools in India register their senior students for NSEB (November paper) via IAPT. If your school does not administer NSEB, we help with direct registration through IAPT affiliated centres. Check with your biology teacher first.
Complete Olympiad Year programme (9-12 months, covers NSEB and INBO): $4,500 reference price with INR auto-shown on the pricing section (approximately ₹3.8 lakh equivalent). 1:1 Elite Mentoring with a senior olympiad tutor: $90 per hour. Small-Batch Weekend: $50 per hour. Pricing is identical across all India cities.
NSEB registration is administered by IAPT (Indian Association of Physics Teachers) through schools. In late August or September, your school biology teacher or coordinator registers interested Class 11-12 students through IAPT-affiliated centres. The November paper is sat at a designated centre (usually a city school acting as exam hub). If your school does not administer NSEB, you can still register directly through an IAPT-affiliated centre in your city — we help students confirm the nearest centre.
OCSC (Orientation-cum-Selection Camp) is a 2-3 week residential training camp at HBCSE (Homi Bhabha Centre for Science Education) in Mumbai held in April-May. It is Stage 3 of the Indian Biology Olympiad pathway. Selection is based on your INBO score — roughly the top 30-35 INBO performers are invited. OCSC includes rigorous theory and practical training, mock papers, and interviews. The final 4 students who represent India at IBO are selected from this camp based on combined OCSC + INBO performance.
INBO (Indian National Biology Olympiad) is Stage 2 of the Indian olympiad pathway, conducted by HBCSE in early February. Only students who clear the NSEB cutoff (roughly top 300 nationally) are invited to sit INBO. The paper is 3 hours with theory questions and a practical section that together test university-level biology depth. The top ~30 performers advance to OCSC. INBO questions pull from Campbell Biology, experimental design, and data-interpretation.
Yes — any Indian school (CBSE, ICSE, IB, Cambridge, state boards) can register students for NSEB if the school has IAPT enrolment or uses an IAPT-affiliated exam centre. Student eligibility depends only on being a Class 11 or Class 12 student in an Indian school. We have successfully coached NSEB students from all major boards. If your school is not IAPT-registered, we help you enrol via the nearest IAPT centre (typically a senior school in your city).
The NSEB-to-INBO cutoff varies year-to-year but generally corresponds to the top ~300 students nationally, which translates to roughly the top 1% of registered candidates. In recent years the qualifying raw score has hovered around 65-75% of the maximum, though the exact cutoff depends on paper difficulty. We target students towards 75-85% raw score as a safety margin above the typical INBO band.
NSEB is held annually in late November (the 2025 paper is expected Sunday late November, with exact date announced by IAPT by September). Serious preparation should begin at least 9-12 months before — ideally starting Class 11 Q1 (July-August) to give full Campbell Biology coverage and 15 years of past-paper drill time. A 6-month sprint is possible for Class 12 students if NCERT is already strong. Our Complete Olympiad Year programme is sized to this timeline.
Yes. Any student enrolled in an Indian school (regardless of nationality) is eligible to sit NSEB and progress through the Indian pathway (INBO → OCSC → IBO). IBO team selection is based on country of schooling, not citizenship. This is why NRI students at IB schools in Gurugram, Bangalore, or Mumbai commonly compete in the Indian pipeline alongside Indian-national peers.
Our South Extension centre is accessible from Greater Kailash, Defence Colony, Saket, Vasant Kunj, Hauz Khas, Panchsheel Park, Chanakyapuri, Lajpat Nagar, and Green Park within 15-30 minutes by metro or car. South Extension metro (Pink Line) is the closest station.
Studying IB in South Delhi?
If you are in Grade 11-12 IB HL Biology, layering NSEB onto your HL schedule adds depth for university applications and opens the IBO path. We coach both tracks from the same curriculum base.
Free demo, no commitment. We confirm your class, school, and schedule compatibility and assign a mentor within 15 minutes (working hours).
Same form, same promise.