What is GATE XL & CY 2023?
The Graduate Aptitude Test in Engineering (GATE) is organized by the Indian Institute of Technology, Kanpur, and conducted jointly by the Indian Institute of Science (IISc) Bangalore and seven Indian Institutes of Technology (IIT) in Bombay, Delhi, Guwahati, Kanpur, Kharagpur, Madras, and Roorkee. The exam score is used by several government engineering/technology/architecture institutes to select students for masters and doctoral programs. The total number of subjects has been revised to 29 with two new topics: G.E. (Geomatics Engineering) and N.M. (Naval Architecture and Marine Engineering).
GATE XL & CY 2023 Information Brochure - Download PDF
GATE 2023 Life Sciences (XL) and Chemical Sciences (CY)
Life Science and Chemical Science students can also complete the application form and attempt the GATE 2023 exam. The subject code for Life Sciences and Chemical Sciences students are 'XL' and 'C.Y.'. While filling out the application form, Life Science and Chemical Science aspirants can select the 'XL' and 'C.Y.' subject codes to attempt the GATE 2023 exam.
- The GATE 2023 Life Sciences (XL) program has three segments. The first segment is G.A. (General Skill), and the second is Chemistry, marked as the P segment required for students. The third Life Sciences segment (XL) consists of segments Q through U, and applicants must choose two.
- This means there are six additional segments in the Life Sciences curriculum and the G.A. segment. Out of these six segments, the first is P which includes chemistry. The other five segments are Biochemistry (XL-Q), Botany (XL-R), Microbiology (XL-S), Zoology (XL-T), and Food Technology (XL-U). Of the five segments, candidates can select two.
Subjects with code:
XL-P - Chemistry
XL-Q - Biochemistry
XL-R - Botany
XL-S - Microbiology
XL-T - Zoology
XL-U - Food Technology
GATE XL & CY 2023 Highlights
Let's have a look at the major highlights of the GATE 2023 Exam mentioned below:
| Exam Name | Graduate Aptitude Test in Engineering (GATE 2023) |
| Short Name | GATE |
| Conducting Institute (2023) | IIT Kharagpur |
| Administered By | Jointly by IISc Bangalore and Seven IITs |
| Mode of Examination | Online |
| Application Mode | Offline / Online |
| Duration of Exam | 180 Mins (3 Hours) |
| Frequency of Examination | Yearly |
| Application Fee (General) | 1500 Rs [Online] |
| Participating Colleges | 1060 |
| Validity of certificate | 3 Years |
GATE XL & CY 2023 Important Dates
Check all the important dates related to the GATE XL & CY 2023 Exam mentioned below:
Events | Dates |
GATE 2023 Registration Started | August 30, 2023 - September 30, 2023 |
GATE 2023 Registration Last Date | October 01, 2023 - October 07, 2023 |
| GATE 2023 Application Correction Last Date | November 11, 2023 |
GATE 2023 Admit Card Release Date | January 03, 2023 |
GATE 2023 Exam Date | 04 Feb, 2023 - 05 Feb, 2023 |
GATE Result 2023 | March 16, 2023 |
GATE XL & CY 2023 Eligibility Criteria for 'XL' and 'CY'
Interested candidates must check the eligibility criteria before filling out the application form. Without meeting the eligibility criteria, the candidate cannot load the application form for GATE 2023. Eligibility criteria for XL and C.Y. subjects are mentioned below:
GATE JRF Educational Qualification:
Candidates who have already obtained a degree on the table can also take the GATE 2023 exam. But, first, check the eligibility criteria for the respective subject in the table below.
Qualifying Degree | Qualifying Degree / Examination | Description | Year of Qualification not later than |
B.E./ B.Tech./ B.Pharm. | Candidate must be a Bachelor in Engineering/Technology (4 years after 10+2 or 3 years after B.Sc./ Diploma in Engineering / Technology) | Qualified or in pre-final/final year | 2024 |
B.Arch. | Candidate must have completed Bachelor of Architecture (5 years course)/Naval Architecture (4- year course) / Planning (4- year course) | Qualified or in pre-final/final year | 2025 (for a 5-year program), 2024 (for the 4-year program |
B.Sc. (Research)/ B.S. | Candidates need to have completed a Bachelor of Science degree (Post-Diploma/ 4 years after 10+2) | Qualified or in pre-final/final year | 2024 |
Pharm.D. (after 10+2) | Candidate must have completed 6 years program having internship or residency training during the sixth year as part of it | Qualified or in pre-final/final year | 2026 |
M.Sc./ M.A./ MCA or equivalent | Candidates need to have master's in Science, Mathematics, Statistics, Computer Applications, or equivalent | Qualified or in pre-final/final year | 2024 |
Int. M.E./ M.Tech. (Post-B.Sc.) | Candidates should have done Post-BSc Integrated Master's degree in Engineering or Technology (4 years program) | Qualified or currently in 2nd/3rd /4th year | Any year |
Int. M.E./ M.Tech. or Dual Degree (after Diploma or 10+2) | Candidates should have completed Integrated Master's degree program or Dual Degree in Engineering or Technology (5 years program) | Qualified or in pre-final/final year | 2025 |
Int. M.Sc./ Int. B.S.-M.S. | Candidates applying must have completed Integrated M.Sc. or 5 years integrated B.S.-M.S. program | Qualified or in pre-final/final year | 2025 |
Professional Society Examinations* (equivalent to B.E/ B.Tech/ B.Arch.) | Candidates need to have completed B.E./ B.Tech./ B.Arch. Equivalent examinations of Professional Societies, recognized by MHRD/UPSC/AICTE (e.g., AMIE by Institution of professional courses Engineers-India, AMICE by the Institute of Civil Engineers-India) | Completed Section A or equivalent professional course | Recognized Upto May 31, 2013,* |
| B.Sc. (Agriculture, Horticulture, Forestry) | 4-years program | 2024 |
Nationality:
- GATE 2023 applicants must be Indian citizens.
- Candidates from other countries can apply for the GATE 2023 exam if they meet the stated eligibility criteria.
Age Criteria:
- The age limit is not there to take the GATE 2023 exam.
- However, the validity of the scorecard will be three years.
GATE XL & CY Application Form 2023
The application form for the GATE 2023 exam will be available on the official website of IIT Kharagpur from August 30. Candidates can directly fill out the online form on the official website. The last date to fill out the application form is September 30, 2023. Check all the steps to fill the GATE 2023 application form mentioned below:
Step 1: Registration
Applicants must register via the GATE or GOAP online application processing system by entering their name, email I.D., and mobile number, after which a registration I.D. will be generated. Applicants must change their password to log in in the future. Save the registration number to complete the application form.
Step 2: Application Form
After completing registration, an application form will appear in which applicants must provide personal, academic, and qualifying information. In addition, applicants must choose the preferred exam centers listed below when completing the online application form.
Step 3: Uploading Images
Once the candidate has completed the application form, they must upload the scanned copy of the photograph, signature, and category certificate (if applicable) as specified by the examining authority.
| Passport size photograph | 2 kb -200 kb |
| Signature (Should be in running handwriting) | Two kb-150 kb |
| Category Certificate (if applicable) | 10 kb -300 kb |
| PwD Certificate (if applicable) | 10 kb – 300 kb |
Step 4: Fee Payment
Applicants must pay the tuition fees listed below via bank/debit card/credit card.
Step 5: Final Submission
After completing all the above steps, applicants must submit the application form. Candidates will get the registration number through mail or registered mobile number. Print out the application form and save it for future reference.
GATE XL & CY 2023 Application Form Fees
Candidates need to pay the exam fee to complete the application form. Candidates from outside India can also apply for the GATE 2023 Exam. Check the application fee for centers in India and centers outside India mentioned below:
Exam Centers in India
| Category | Application Fee | During Extended Period |
| SC/ST/PwD | Rs. 750 | Rs. 1250 |
| Females | Rs. 750 | Rs. 1250 |
| General | Rs. 1500 | Rs. 2000 |
GATE XL & CY 2023 Application Form Correction Fee
All applications submitted for the GATE 2023 exam will be screened for data accuracy. If an error is found in the application form, it will be opened for rectification. The following changes are allowed in specific areas. The details that can correct are:
- Name of the candidate
- Date of birth
- Name of the Father
- Country
- Parents mobile number
- Postal address
- Details of the qualification title
- PwD / dyslexia category / gender / status
| For Candidates in India | For Candidates outside India | ||
| Changes | Fee | Changes | Fee |
| Changes request in exam city in India | Rs. 400 | Changes request in exam city outside India | Rs. 740 |
GATE XL & CY 2023 Syllabus
Check the syllabus for the GATE 2023, which includes general aptitude, mathematics, biology, and other topics.
General Aptitude | Verbal aptitude |
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Quantitative aptitude |
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Analytical aptitude |
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Spatial aptitude | Transformation of shapes: Translation, rotation, scaling, mirroring, assembling, and grouping, paper folding, cutting, and patterns in 2 and 3 dimensions | |||||
Engineering Mathematics | Linear algebra | Matrices and determinants; systems of linear equations; Eigen values and eigenvectors | ||||
Calculus | Limits, continuity, and differentiability; partial derivatives, maxima, and minima; sequences and series; test for convergence | |||||
Differential equations | Linear and nonlinear first order ODEs, higher order ODEs with constant coefficients; Cauchy's and Euler's equations; Laplace transforms. | |||||
Probability and Statistics | Mean, median, mode, and standard deviation; random variables; Poisson, average, and binomial distributions; correlation and regression analysis. | |||||
Numerical methods | Solution of linear and nonlinear algebraic equations; integration by trapezoidal and Simpson's rule; single-step method for differential equations | |||||
General Biology | Biochemistry |
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Microbiology |
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Immunology |
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Genetics, cellular, and molecular biology | Genetics and evolutionary biology |
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Cell Biology | Prokaryotic and eukaryotic cell structure; cell cycle and cell growth control; cell-cell communication; cell signaling and signal transduction; post-translational modifications; protein trafficking; cell death and autophagy; extra-cellular matrix | |||||
Molecular biology |
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Fundamentals of biological engineering | Engineering principles are applied to biological systems. | Material and energy balances for reactive and non-reactive systems; recycle, bypass and purge processes; stoichiometry of growth and product formation; degree of reduction, electron balance, and theoretical oxygen demand. | ||||
Classical thermodynamics and bioenergetics | Laws of thermodynamics; solution thermodynamics; phase equilibrium, reaction equilibrium; ligand binding; membrane potential; energetics of metabolic pathways, oxidation, and reduction reactions | |||||
Transport processes |
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Bioprocess engineering and process biotechnology | Bioreaction engineering |
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Upstream and downstream processing |
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Instrumentation and process control | Pressure, temperature, and flow measurement devices; valves; first order and second order systems; feedback and feed-forward control; types of controllers-proportional, derivative, and integral control, tuning of controllers | |||||
Plant, animal, and microbial biotechnology | Plants |
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Animals |
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Microbes |
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Recombinant DNA technology and other tools in biotechnology | Recombinant DNA technology |
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Molecular tools | Polymerase chain reaction; DNA/ RNA labeling and sequencing; southern and northern blotting; in-situ hybridization; DNA fingerprinting, RAPD, RFLP; site-directed mutagenesis; gene transfer technologies; CRISPR-cas; biosensing and biosensors | |||||
Analytical tools |
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Computational tools |
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GATE XL & CY 2023 Exam Pattern
The GATE 2023 exam will be conducted online (a computer-based test). A total of 65 questions will be asked on the GATE online test for 100 marks. The total time allotted for this exam is 3 hours. In addition, candidates can view the entrance exam pattern mentioned below.
Exam Mode: Online Computer Test (CBT)
Question type: multiple-choice questions (MCQ), multiple-select questions (MSQ), and Numerical answer type (NAT) questions.
Duration of the exam: 3 hours.
Maximum marks: 100 points.
The number of questions: 65 questions.
| Particulars | Details |
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| Questions Type |
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| Questions Design |
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| Number of Questions | 10 (GA) + 55 (subject) = 65 Questions |
| Distribution of Questions in C.Y., XL | Questions from Subject Concerned – 85 Marks General Aptitude – 15 Marks |
| Total Marks | 100 Marks |
| Marking Scheme | All of the questions will be worth 1 or 2 marks |
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