HBCSE (Olympiads / NSE chain) — Previous papers
98 HBCSE (Olympiads / NSE chain) Previous papers documents (2012–2026) — each from the commission's official PDF or its archived copy.
2026
8 updates- 3 Feb 2026
Question paper · Olympiads · 2026
file: INChO2026-Question-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INChO2026-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INPhO2026-Question-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INPHO2026-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INBO2026-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INBO2026-Question-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INAO2026-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 3 Feb 2026
Question paper · Olympiads · 2026
file: INAO2026-Question-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads →
2025
8 updates- 4 Feb 2025
Question paper · Olympiads · 2025
file: INPhO2025-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INPhO2025-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INChO2025-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INChO2025-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INBO2025-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INBO2025-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INAO2025-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 4 Feb 2025
Question paper · Olympiads · 2025
file: INAO2025-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads →
2024
9 updates- 5 Feb 2024
Question paper · Olympiads · 2024
file: INPHO2024-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INPHO2024-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INChO2024-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INChO2024-Question-1.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INChO2024-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INBO2024-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INBO2024-Question-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 5 Feb 2024
Question paper · Olympiads · 2024
file: INAO2024-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - on site by Sept 2018
Question paper · Olympiads · 2024
file: PRMO18_Question_Paper.pdf?utm_source=careers360
Olympiads →
2023
11 updates- 31 Jan 2023
Question paper · Olympiads · 2023
file: INChO2023-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INChO2023-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INAO2023-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INAO2023-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INPhO2023-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INPhO2023-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INBO2023-Questions-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INBO2023-Questions-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INJSO2023-Question-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 31 Jan 2023
Question paper · Olympiads · 2023
file: INJSO2023-Question.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 15 Jan 2023
Question paper · Olympiads · 2023
file: INMO23_qp.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads →
2022
7 updates- 22 Mar 2022
Question paper · Olympiads · 2022
file: IOQC2022-PartII-Questions-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 22 Mar 2022
Question paper · Olympiads · 2022
file: IOQC2022-PartII-Questions-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 22 Mar 2022
Question paper · Olympiads · 2022
file: IOQA2022-PartII-Questions-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 22 Mar 2022
Question paper · Olympiads · 2022
file: IOQA2022-PartII-Questions-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 15 Mar 2022
Question paper · Olympiads · 2022
file: IOQP2022-PartII-Questions-en-1.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 15 Mar 2022
Question paper · Olympiads · 2022
file: IOQP2022-PartII-Questions-en.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads → - 15 Mar 2022
Question paper · Olympiads · 2022
file: IOQB2022-PartII-Questions-hi.pdf
Official PDF ↗olympiads.hbcse.tifr.res.inOlympiads →
2021
1 update- on site by May 2021
IOQM question paper
Olympiads →
2019
2 updates- on site by Sept 2019
PRMO 2019 Question Paper
Olympiads → - on site by Sept 2019
Question paper 2019 oly
Olympiads →
2016
37 updates- on site by Sept 2016
inmo 2016 version
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Sept 2016
Question paper · Olympiads · 2016
file: file
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Aug 2016
Question paper · Olympiads · 2016
file: final-br
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Aug 2016
Question paper · Olympiads · 2016
file: final-br
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Aug 2016
Question paper · Olympiads · 2016
file: final-br
Olympiads → - on site by Aug 2016
Question paper · Olympiads · 2016
file: inpho2016-solution-20160216.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jul 2016
Question paper · Olympiads · 2016
file: file
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: inbo2016-solution-20160216.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: incho2016-question.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: inao2016-question-solution-20160216.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: incho2016-solution-20160216.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: injso2016-solution-20160216.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: crmo-15-2.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: crmo-15-3.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
sol crmo15 1
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: crmo-15-4.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
Question paper · Olympiads · 2016
file: crmo-15-5.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
sol crmo15 2
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
sol crmo15 3
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
sol crmo15 4
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Jun 2016
sol crmo15 5
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by May 2016
list of girl students for imotc 2016
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by May 2016
list of girl students for imotc 2016
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by May 2016
list of girl students for imotc 2016
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Apr 2016
Question paper · Olympiads · 2016
file: crmo-15-1.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Apr 2016
list of girl students for imotc 2016
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: file
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: file
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: file
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: incho13-question-paper
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: injso2016-solution-20160202.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: inao2016-question-solution-20160202.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: inbo2016-question.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: inbo2016-solution-20160202.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: injso2016-question.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
Question paper · Olympiads · 2016
file: inpho2016-question-solution-20160202.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Sept 2012
Question paper · Olympiads · 2016
file: file
Olympiads →
2015
4 updates- on site by Feb 2016
INChO 2015 Question Paper
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Nov 2015
exposure camp chemistry web upload
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Mar 2015
Question paper · Olympiads · 2015
file: inmosol-15.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2015
inmo 2015 revaluatuion procedure
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads →
2014
4 updates- on site by Feb 2016
incho 2014 question paper
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Nov 2015
Question paper · Olympiads · 2014
file: new-prermo2014.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Nov 2014
Question paper · Olympiads · 2014
file: questionpaperseta
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Nov 2014
Question paper · Olympiads · 2014
file: questionpapersetb
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads →
2013
4 updates- on site by Sept 2015
Question paper · Olympiads · 2013
file: new-prermo2013.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Oct 2014
pre rmo 2013 question paper set a
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Oct 2014
pre rmo 2013 question paper set b
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Mar 2013
inmo question paper 2013
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads →
2012
3 updates- on site by Aug 2016
Question paper · Olympiads · 2012
file: new-prermo2012.pdf
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Feb 2016
incho 2012 question paper
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads → - on site by Sept 2012
Question paper · Olympiads · 2012
file: inpho11-qp
Archived copy ↗olympiads.hbcse.tifr.res.in · retired siteOlympiads →
Older documents have been removed from the commission website; we show the Internet Archive copy of the same official link.
When was the latest HBCSE (Olympiads / NSE chain) Previous papers released?
The newest Previous papers is dated 3 Feb 2026: "Question paper · Olympiads · 2026". The PDF link above opens the official source.
How many years of HBCSE (Olympiads / NSE chain) Previous papers are available?
98 official documents covering 2012–2026, listed by year above.
What is the official website of HBCSE (Olympiads / NSE chain)?
Only olympiads.hbcse.tifr.res.in. Always apply and download there.