Anangsha
Anangsha Patra
Deputy Manager – Editorial
Updated on Mar 19, 2025 17:52 IST

RRB ALP Technician percentile based normalisation is done to calculate the scores of candidates. This process is followed to adjust the difficulty level of question papers across various shifts. RRB Technician result 2024 for Grade 3 was released on Mar 19. Read here for more details on RRB ALP Technician percentile based normalisation.

RRB ALP Technician Percentile Based Normalisation

RRB ALP Technician Percentile Based Normalisation

RRB Technician result 2024 for Grade  3 was announced on March 19, 2025 by the Railway Recruitment Boards (RRBs). The result of RRB Technician was announced on the region-wise official websites of RRBs. Along with the result, RRB ALP Technician cut off and scorecard were also released. RRB ALP Technician result 2024 was made available in PDF form and comprises the roll numbers of qualified candidates. 

Candidates who appeared in the exam must be wondering how the RRB ALP Technician scores are calculated. RRB ALP Technician scores are calculated based on percentile based normalisation. This is the standard procedure followed by the RRBs for preparing the RRB results for all its recruitment exam. Now the question is What is RRB ALP Technician percentile based normalisation? Given the large number of applicants and multiple shifts for these exams, RRBs use a percentile normalisation methodology to ensure fairness in the assessment process. In this article, we have explained RRB ALP technician percentile based normalisation.

Q:   What was RRB ALP CBT 2 2018 cut off?
A:

RRB ALP CBT 2 cut off announced in 2018 is given below.

Regions

General

OBC

SC

ST

Ajmer

52.77

46.09

42.00

47.72

Bangalore

42.07

39.07

31.13

33.05

Bilaspur

49.27

42.63

36.31

37.42

Chennai

57.76

55.63

51.01

50.74

Secunderabad

55.00

51.30

41.90

42.30

Q:   When will RRB ALP CBT 1 cut off 2025 be released?
A:

RRB ALP CBT 1 cut off 2025 was released on February 26, 2025 by RRBs. The cut off was released category-wise and region-wise. Candidates securing equal to or more than the cut off marks was selected for CBT 2 exam. Besides the overall cut off, candidates are also required to secure the qualifying marks.

Q:   What was RRB ALP CBT 1 cut off for Electrical post in 2018?
A:

RRB ALP CBT 1 cut off 2018 for Electrical post is given below.

RRBs

Gen

SC

ST

OBC

Ajmer

NEC

30.48

Kolkata

61.06

49.39

45.94

55.67

Muzaffarpur

50.55

36.99

27.03

41.61

Ajmer

48.68

36.57

33.22

44.58

Allahabad

47.34

38.35

27.54

41.99

Secunderabad

43.39

30.01

27.68

31.85

Mumbai

53.13

40.31

32.29

45.62

Bhubaneswar

50.75

40.64

29.7

45.85

Bhopal

43.04

NEC

30.99

Chennai

41.99

30.01

25.02

30.01

Secunderabad

41.42

44.36

NEC

52.71

Patna

41.3

36.23

NEC

32.19

Chennai

40.24

32.98

NEC

30.32

Kolkata

40.19

30.3

NEC

32.58

Muzaffarpur

40

30.01

25.07

30.01

Patna

40

30.02

25.03

30.01

Table of content
  • RRB ALP Technician Percentile based Normalisation
  • What is the Purpose for RRB ALP Technician Percentile Based Normalisation?
  • RRB ALP Technician Percentile Based Normalisation Formula
  • RRB ALP Technician Percentile Normalisation Method

RRB ALP Technician Percentile based Normalisation

RRB ALP Technician percentile based normalisation is a statistical process that is used to adjust the scores of candidates who appear in the exam in different shifts. The purpose of percentile based calculation is that this method ensures that no candidate is advantaged or disadvantaged due to the difficulty level of the question papers varying across different shifts.

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What is the Purpose for RRB ALP Technician Percentile Based Normalisation?

RRB ALP Technician Percentile based normalisation is done since the exam is conducted in multiple shifts. RRB normalisation helps in balancing these differences and provides a fair platform for all candidates by converting raw scores to a standardised scale or percentile scale.

RRB ALP Technician Percentile Based Normalisation Formula

The step-by-step process of RRB ALP Technician Percentile Based Normalisation formula is given below:

  1. Percentile Scores: Percentile scores represent the relative performance of a candidate compared to others in the same shift. It converts the marks obtained into a scale ranging from 0 to 100.
  • The percentile score indicates the percentage of candidates who scored equal to or below a particular score.
  • The highest scorer in each shift gets a percentile score of 100.
  • The formula for Percentile Score is:
  1. Use of Percentile Scores: The percentile scores are used to prepare the RRB ALP merit list instead of raw scores. This ensures that candidates from different shifts are assessed on a level playing field. The marks obtained in between the highest and lowest scores are also converted to appropriate Percentiles.
  2. Calculating Percentile Scores: The raw scores of all candidates from different exam shifts are converted into Percentile Scores. These scores are then combined and referred to as the RRB Scores (or RRC Scores for Level-1 exams). These combined scores are used to compile results and determine the merit list.
  3. Precision in Calculation: Percentile Scores are calculated up to five decimal places. This level of precision helps avoids ties and ensures a fair ranking.

RRB ALP Technician Percentile Normalisation Method

To determine RRB ALP Technician normalised marks, RRBs select a ‘Base Shift’. This is done on the basis of the highest average marks and a sufficient number of candidates. The normalisation process by RRBs ensures a fair evaluation for all candidates appearing in the exam. It balances the varying difficulty levels across various shifts.

Q:   What was RRB ALP Cut off for CBT 1 in 2018 for Mechanical post?
A:

The category-wise RRB ALP cut off 2018 for CBT 1 for Mechanical post is given below:

RRBs

General

OBC

SC

ST

Ahmedabad

43.47

35.15

32.17

28.15

Ajmer

53.13

44.09

37.88

26.47

Ajmer

40.93

30.01

43.07

NEC

Allahabad

42.75

34.85

30.78

25.02

Bangalore

45.46

38.05

30.25

25.02

Bhubaneswar

40

-

30.01

25.02

Chennai

51.65

30.36

NEC

NEC

Chennai

47.93

45.83

39.89

26.7

Guwahati

40.92

33.16

30.05

25.39

Jammu & Kashmir

40

32.76

30.05

25.02

Kolkata

43.85

30.01

30.02

25.02

Kolkata

41.33

34.2

47.37

NEC

Mumbai

44.89

40.08

35.74

25.48

Muzaffarpur

42.13

34.14

NEC

NEC

Muzaffarpur

40

30.02

30.01

25.03

Patna

48.6

NEC

NEC

NEC

Patna

47.41

39.88

30.27

25.75

Secunderabad

49.56

42.49

38.09

33.71

Secunderabad

40.01

30.02

30.29

NEC

Siliguri

40

30.01

30.05

25.06

Thiruvananthapuram

55.24

47.48

31.33

25.02

Thiruvananthapuram

40.97

30.58

NEC

NEC

 

 

Q:   What is percentile based formula for RRB ALP exam?
A:

The formula for percentile based calculation is given below:

  • The percentile score indicates the percentage of candidates who scored equal to or below a particular score
  • The highest scorer in each shift gets a percentile score of 100
Q:   What is the cutoff 2025 for RRB ALP CBT 1 for Bilaspur region?
A:

RRB ALP CBT 1 Bilaspur cut off is given below.

Category

Open 

General

58.41585

SC

40.68537

ST

30.39749

OBC

46.14813

 

 

 

For Percentile Scores within Base Shift Range: If a candidate’s percentile score doesn’t fall within the base shift range, the corresponding normalized marks are found using interpolation.

RRB ALP Technician Percentile Calculation

RRB ALP Technician Percentile Calculation

 

RRB ALP Technician Qualifying Marks 2024

The category-wise qualifying marks 2024 is given below.

Stages Qualifying Marks 

First stage

UR-40 per cent

OBC-30 per cent

SC-30 per cent

ST-25 per cent

Second stage

Part A

UR-40 per cent

OBC-30 per cent

SC-30 per cent

ST-25 per cent

Part B-35 per cent

CBAT

42 marks

RRB ALP Technician Tie Breaking Policy

If two or more candidates have the same Percentile Score, their ranks will be determined by their age. The older candidate will be given a higher rank. If the candidates are the same age, their names in alphabetical order (A to Z) will be used to break the tie.

About the Author
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Anangsha Patra
Deputy Manager – Editorial
A mass communication and journalism post-graduate, Anangsha has worked as a reporter and sub-editor and enjoys working in the education domain.
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