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INO Cut Off 2025 Out, Indian National Olympiad Cut Off Marks

The Homi Baba Science Education Centre (HBSEC) has declared the INO Cut Off 2025 along with the INO Result 2025 at https://olympiads.hbcse.tifr.res.in/. For reference the INO Previous Year Cut Off Marks are also provided here.
authorImageSwati Singh26 May, 2025
INPhO Answer Key 2025

INO Cut Off 2025: The INO (Indian National Olympiad) is a test in India created to discover and support young talent in Biology, Physics, Chemistry, Astronomy and Junior Science Olympiad. It is included in the wider range of Olympiad tests intended to encourage excellence in these fields among learners.The Homi Baba Science Education Centre (HBSEC) has uploaded the INO Cut Off 2025 along with the INO Result 2025 and scores compilation for the Indian National Olympiad on the official website - secure.hbcse.tifr.res.in.

For the year 2025, the INO Cut Off 2025 for the stages of the different International Olympiad is announced on 5th March 2025. Students who participated in the INO Exam 2025 are keen to learn the lowest passing marks. These INO cut offs can assist in recognizing the trends and getting ready for upcoming exams.

INO Cut Off 2025

INO was held on 1st and 2nd February 2025 across the nation and thousands of students took part in it, the INChO, INJSO and INAO Exam was held on 1st February 2025 and the INPhO and INBO took place on 2nd February 2025. Approximately the top 35 students from the INO will be invited to appear for OCSC typically from April to June at the Homi Bhabha Centre for Science Education (HBCSE). 

Students must first qualify in the National Standard Examination (NSE) in their chosen subject (e.g., Physics, Chemistry, Biology, Astronomy, or Junior Science). Only top performers meeting the cutoff criteria for each subject are eligible to proceed to the INO. Students must score equal to or greater than the MAS, which is 50% of the average of the top ten scores in their subject.

If your scores exceed the INO Cut Off in a subject, but your roll number is not present in the list, it is due to your selection in the OCSC of a different subject, according to your stated preferences. 

A Certificate of Merit will be given to each student whose marks are equal to or greater than the cut off marks for OCSC selection in a subject, regardless of whether that student has received an invitation for OCSC in that specific subject or not. Eligible students have the option to download this certificate by logging into the INO site. The list of candidates selected for IJSO OCSC (Junior Science) will be published by the IAPT on this site.

List of students selected in Group A (Class 12 students)

 INO Cut Off 2025 
Cut off: 170.0 Chemistry
Cut off: 65.0
Physics
Cut off: 42.0
Sr. No. INO Roll number Sr. No. INO Roll number Sr. No. INO Roll number
1 2501-0001-0001 1 2502-0010-0096 1 2501-0100-0023
2 2502-0001-0078 2 2502-1110-0130 2 2501-1110-0039
3 2503-0001-0162 3 2505-0010-0305 3 2501-1110-0040
4 2503-0111-0194 4 2505-0010-0315 4 2501-1110-0041
5 2505-0001-0279 5 2505-0110-0328 5 2502-0110-0107
6 2507-0001-0490 6 2505-1110-0348 6 2503-1110-0207
7 2507-0001-0502 7 2505-1110-0350 7 2503-1110-0210
8 2507-0001-0547 8 2506-1110-0457 8 2505-1110-0352
9 2507-1001-0722 9 2507-0110-0662 9 2507-0110-0656
10 2509-0001-0931 10 2507-0110-0675 10 2507-0110-0673
11 2512-0001-1179 11 2507-1010-0728 11 2507-1100-0746
12 2512-0111-1212 12 2509-0010-0951 12 2507-1110-0752
13 2513-0001-1274 13 2509-1110-1059 13 2509-0110-1006
14 2514-0001-1377 14 2512-1110-1227 14 2509-1110-1056
15 2514-0011-1415 15 2513-0010-1294 15 2512-0110-1211
16 2515-0001-1462 16 2513-0110-1303 16 2512-1110-1226
17 2515-0001-1469 17 2513-1110-1328 17 2512-1110-1229
18 2515-0001-1472 18 2513-1110-1333 18 2513-1110-1329
19 2515-0011-1499 19 2515-1010-1539 19 2515-0110-1520
20 2515-1011-1540 20 2515-1110-1549 20 2515-1110-1544

List of students selected in Group B (Class 11 and Class 10 students)

Biology
Cutoff: 171.5
Chemistry
Cutoff: 47.0
Physics
Cutoff: 30.5
Sr. No. INO Roll number Sr. No. INO Roll number Sr. No. INO Roll number
1 2501-2002-0051 1 2501-0220-0030 1 2501-2220-0055
2 2506-0002-0401 2 2505-2222-0369 2 2502-2200-0146
3 2506-0002-0404 3 2507-0020-0623 3 2503-2200-0215
4 2507-0002-0564 4 2507-0020-0624 4 2505-0200-0331
5 2508-2002-0921 5 2507-0020-0625 5 2505-2200-0365
6 2510-0002-1099 6 2507-0020-0626 6 2505-2200-0367
7 2510-0002-1104 7 2507-2020-0800 7 2507-0220-0691
8 2510-0022-1111 8 2507-2220-0826 8 2507-2200-0814
9 2510-2202-1128 9 2509-2220-1079 9 2509-0200-1021
10 2511-0002-1155 10 2510-0020-1110 10 2509-2220-1078
11 2512-0002-1183 11 2510-2020-1125 11 2510-0220-1118
12 2513-0002-1278 12 2510-2220-1129 12 2513-2200-1340
13 2515-0002-1474 13 2512-0020-1203 13 2513-2200-1341
14 2515-0002-1476 14 2512-2020-1240 14 2513-2200-1342
15 2515-0002-1482 15 2512-2222-1247 15 2513-2200-1343
16 2515-0002-1485 16 2513-0020-1296 16 2515-2200-1565
17 2516-0002-1605 17 2513-0020-1297 17 2515-2200-1566
18 2516-0002-1606 18 2513-2220-1345 18 2515-2200-1568
19 2518-0002-1699 19 2513-2220-1346 19 2515-2220-1570
20 2518-0002-1701 20 2513-2222-1351 20 2515-2220-1572
Junior Science
Cutoff: 91.5
Astronomy Group A
Cutoff: 55
Astronomy Group B
Cutoff: 40
Sr. No. INO Roll No. Sr. No. INO Roll No. Sr. No. INO Roll No.
 1  240130000058 1 250210000117 1  250122000052 
 2  240130000061 2 250211100131 2 250122200056
 3  240430000259 3 250710000695 3 250220000140
 4  240630000424 4 250710100725 4 250220000141
 5  240730000615 5 250711000744 5 25022020014
 6  240730000621 6 250911001055 6 250222000145
 7  240730000625 7 250911101057 7 250620000464
 8  240730000631 8 251011101122 8 250620020465
 9  240930000880 9 251310001322 9 250720000770
 10  240930000897 10 251311001326 10 250720000775
 11  240930000902 11 251311101327 11 250720000797
 12  240930000906 12 25131110133 12 25072200080825
 13  241230001127 13 251311101335 13 250722000809
  14  241230001129 14 251510001528 14 250722000809
 15  241330001212 15 2515111 15 250722200822
 16  241330001218     16 250722220836
 17  241530001398     17 250920001064
 18  241530001399     18 250920001066
 19  241630001437     19 250920001069
 20  241730001477     20 250922201077
 21  241830001494     21 251020001123
        22 251020001124
        23 251022001126
        24 251220001231
        25 251222001242
        26 251222001243
        27 251322001344
        28 251322201347
        29 251520001550
        30 251520001551
        31 251520001553
        32 251520001558
        33 251520001559
        34 251522001564
        35 251522001567
        36 251522021569
        37 251522221573
        38 251620001630
        39 251722001683

INO Cut Off 2024

For the reference we have provided the INO Cut Off 2024. The lists of students selected for Orientation cum Selection Camps (OCSCs) in Astronomy, Biology, Chemistry, and Physics is published along with the cut off marks.

INO Cut Off 2024

Astronomy Group A

Astronomy Group B

Biology

Chemistry

Physics

Cutoff: 77.0

Cutoff: 61.5

Cutoff: 139.5

Cutoff: 54.5

Cutoff: 41.0

Sr. No.

INO Roll number

Sr. No.

INO Roll number

Sr. No.

INO Roll number

Sr. No.

INO Roll number

Sr. No.

INO Roll number

1

240110000031

1

240120000044

1

240100010001

1

240100100018

1

240211100119

2

240111100039

2

240120000049

2

240100010005

2

240111100038

2

240211100121

3

240211100118

3

240120000050

3

240120010053

3

240201100104

3

240321000216

4

240711000557

4

240120000051

4

240200110101

4

240411100249

4

240701100523

5

240711100564

5

240220000127

5

240320010215

5

240500100282

5

240701100529

6

240711100569

6

240220000134

6

240400010225

6

240501100309

6

240701100530

7

240711100571

7

240221000137

7

240400010226

7

240501100311

7

240711000559

8

240910101630

8

240321000218

8

240400010230

8

240510100321

8

240711100563

9

240911100760

9

240420000256

9

240400110236

9

240510100322

9

240711100565

10

241211101109

10

240520000344

10

240500010263

10

240511100327

10

240711100567

11

241310101158

11

240720000582

11

240500010264

11

240520100347

11

240711100574

12

241311001163

12

240720000586

12

240500010280

12

240600100380

12

240711100575

13

241311101169

13

240720000587

13

240600010370

13

240611100410

13

240901100745

14

241510001349

14

240720000588

14

240600010371

14

240700100483

14

240901100747

15

241511101360

15

240720000597

15

240700010446

15

240701100526

15

240911100762

 

16

240921000778

16

240700010450

16

240701100527

16

240911100763

17

240921000779

17

240700010458

17

240701100532

17

240911100764

18

241320001179

18

240901110748

18

240701100534

18

240911100765

19

241320001181

19

241000010939

19

240710100553

19

241201001086

20

241320001182

20

241100111033

20

240711100562

20

241301101155

21

241320001183

21

241100111034

21

240711100566

21

241311001162

22

241320001185

22

241200011061

22

240900100709

22

241311001165

23

241320001188

23

241200011064

23

240900100719

23

241311101167

24

241320001189

24

241200111081

24

240901100738

24

241311101168

25

241320001191

25

241300011133

25

240911100761

25

241311101171

26

241320001192

26

241300011134

26

241000100953

26

241311101173

27

241320001193

27

241310111160

27

241110101045

27

241311101174

28

241320001195

28

241320011197

28

241200101080

28

241321001201

29

241320011196

29

241400011230

29

241300101146

29

241511001357

30

241321001202

30

241401111268

30

241301101156

30

241511101359

31

241321011206

31

241500011307

31

241320101198

31

241511101361

32

241321101207

32

241500011312

32

241500101321

32

241511101363

33

241520001369

33

241500011313

33

241500101336

33

241521011385

34

241520001375

34

241500111342

34

241501101345

34

241611101426

35

241520001377

35

241521011386

35

241511101364

35

241611101429

36

241521001383

   

37

241521001384

38

241521101387

Factors Affecting INO Cut Off 2025

The INO (Indian National Olympiad) Cut Off 2025 is influenced by several key factors, although specific details for INO might not be directly available. However, based on general trends observed in competitive exams, the following factors can typically affect cut-offs:

  1. Number of Participants: A higher number of participants generally increases competition, which can lead to higher INO cut offs. Conversely, fewer participants might result in lower cut-offs.

  2. Difficulty Level of the Exam: The difficulty level of the INO exam plays a crucial role. If the exam is perceived as easier, more students are likely to score higher, leading to higher cut offs. Conversely, a more challenging exam might result in lower cut-offs.

  3. Performance of Candidates: The overall performance of candidates can significantly impact the cut-off. If a large number of students perform exceptionally well, the cut-off may be higher.

  4. Reservation Policies: While not typically applicable to Olympiads, in some cases, reservation policies might influence cut offs if they apply to subsequent stages or related programs.

  5. Previous Year’s Trends: Historical data on cut-offs can provide insights into how the cut-off might change from year to year. If previous years have shown an increase in cut-offs, it might indicate a trend of rising competition.

  6. Seat Availability: In the context of Olympiads, this might relate to the number of spots available for the next stage of competition or for awards.

Benefits After Qualifying INO Exam

Qualifying in the Indian National Olympiad (INO) offers several benefits to students:

  • National Prestige: Participants receive national recognition for their achievements, which enhances their academic profiles and can impress future educational institutions.
  • Students who qualify INO stage 2 get the chances of admission in prestigious colleges as well.Direct Admission & Scholarships: Many IISc, IISERs, NISER, and foreign universities value Olympiad achievers.
  • Recognition in Engineering & Research Fields: Beneficial for JEE Advanced, MIT, Harvard, Princeton, and research programs.
  • Certificates of Excellence: Top performers are awarded certificates that distinguish them in academic and professional circles, providing a competitive edge.
  • Orientation cum Selection Camps (OCSCs): High achievers are invited to participate in OCSC, preparing them to represent India at the International Olympiads. This training is rigorous and designed to enhance their skills further.
  • Medals and Trophies: National toppers receive gold, silver, and bronze medals along with trophies, recognizing their outstanding performance in the competition.
  • Monetary Prizes: Many disciplines offer cash awards to top-ranked students, supporting their educational endeavors and encouraging continued excellence
  • Enhanced Academic Profile: Participation in the INO significantly strengthens a student's credentials for admissions into prestigious colleges and universities both in India and abroad.
  • Skill Development: The competition fosters critical skills such as:
  • Problem-Solving: Tackling complex problems enhances analytical abilities.
  • Critical Thinking: Encourages innovative approaches to scientific challenges.
  • Application-Based Learning: Promotes practical understanding of scientific principles.
  • Exposure to Global Standards: Competing at international levels provides invaluable exposure to global academic standards, fostering collaboration with peers worldwide.Confidence Building: Preparing for the INO boosts students' confidence as they work hard on subjects of interest, which helps establish a strong foundation for future studies.

INO Cut Off 2025 FAQ

Q1. When will INO Cut Off 2025 be released?

Ans. The INO Cut Off 2025 has been released along with the INO Result 2025 on 5th March 2025 at the official website.

Q2. Where can I get the INO Previous Year Cut Off marks?

Ans. You can get the details of the INO Previous Year Cut Off for Indian National Olympiad in our blog section.

Q3. From where can I download the INO Result 2025 PDF?

Ans. No, INO Cut Off for all the categories are different. You can check the cut off for various categories in this article.

Q4. What factors affect the INO Cut Off 2025?

Ans. Various factors influence the INO Cut Off 2025 including paper difficulty, regional quota, previous year cut off, number of students appear, etc.

Q5. What is the official website to check the Indian National Olympiad Result 2025?

Ans. The official website to check the Indian National Olympiad Result 2025 is https://olympiads.hbcse.tifr.res.in/.

Q6. How to prepare for OCSC after qualifying INO?

Ans. Focus on deep understanding of the subject matter by solving advanced problems, practicing experimental techniques, engaging with theoretical concepts beyond the syllabus, and actively participating in discussion sessions with mentors and peers at the Orientation cum Selection Camp (OCSC)itself.
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