IISER Kolkata institutional profile: Complete student guide to IAT 2026 dates, fees, seats and placements

Established in 2006 and ranked **67** by NIRF, IISER Kolkata (Mohanpur) offers a five-year BS-MS with 280 seats plus 30 in CDSc. This guide covers IAT 2026 dates, fees, seats, eligibility and placement facts you must know.

Edited by Priya Kapoor

    IISER Kolkata institutional profile

    IISER Kolkata was established in 2006 and appears at NIRF overall rank 67 . The institute sits on a 201-acre campus in Mohanpur, Nadia — about 50 km from Kolkata — and runs a five-year BS-MS dual degree that attracts students from across India.

    IISER Kolkata institutional profile: Quick snapshot — what to know at a glance

    • Type: Government research institute established in 2006 .
    • Campus: 201 acres at Mohanpur, Nadia (around 50 km from Kolkata).
    • Faculty and students: 129 faculty; 1,025 total UG (5-year) students.
    • Student mix: 749 male (73.6%), 276 female (26.4%); 618 students (59.1%) from outside the state; 1 international student.
    • NIRF overall rank: 67 .

    Why this matters: the institute’s scale, student mix and research focus shape class sizes, lab access and the emphasis on higher studies over campus placements.

    Who studies here: Student demographics and what they mean

    Total UG strength for the five-year BS-MS cohort stands at 1,025 . Male students are the majority at 73.6% , while female students are 26.4% . Around 59.1% of undergraduates come from outside West Bengal, which keeps the campus culturally mixed.

    What this means for you: peer groups will be academically strong and varied. Expect a classroom where many students aim for research or higher degrees, and student services and clubs often reflect that academic bent.

    Program structure: BS-MS and special streams

    IISER Kolkata offers the five-year BS-MS dual degree. The institute runs traditional science majors — Biological, Chemical, Geological, Mathematical and Physical Sciences — and a dedicated Computational & Data Science (CDSc) programme.

    You enrol in the integrated BS-MS programme and choose or are assigned a major after the foundational years, depending on performance and available seats. The curriculum balances coursework, laboratory work and research projects; by upper years you will spend significant time on thesis or research with a faculty mentor.

    Admissions: Eligibility, channels and realistic benchmarks

    Minimum class XII marks: 60% for GEN/EWS/OBC-NCL and 55% for SC/ST/PwD. Current admission is through the IISER Aptitude Test (IAT) followed by IISER counselling.

    Older channels (KVPY, JEE Advanced, Boards) were used in past cycles but the active channel for the current cycle is IAT plus counselling. Admission relies on your IAT score and subsequent choices during the counselling rounds.

    Rank benchmarks: past signals and counselling behaviour suggest that competitive general-category ranks for IISER Kolkata have fallen in the higher hundreds to low thousands depending on the year. Benchmarks shift each year, so target as high as possible on the IAT; for planning, treat ranks in the few hundreds to a little over a thousand as stronger chances for top IISERs.

    IAT 2026: Important dates and exam essentials

    Below are the official IAT 2026 schedule points you need to note. Mark these in your calendar and prepare the documents listed after the table.

    Event Date
    IAT 2026 application opens March 5, 2026
    IAT 2026 application deadline April 13, 2026
    IAT 2026 correction window April 16 – April 18, 2026
    IAT 2026 hall ticket release May 24, 2026
    IAT 2026 exam date June 7, 2026
    IAT 2026 answer key release June 7, 2026
    IAT 2026 objection window June 9 – June 13, 2026

    Day-of checklist for the exam: carry a valid photo ID you used while registering, have your downloaded hall ticket, check system/browser rules for the CBT, keep a quiet test environment if taking from a remote centre, and reach your test centre well before time if reporting in person.

    IAT exam pattern and scoring: How marks translate to rank

    Format and timing

    • Mode: Computer-Based Test (CBT).
    • Total questions: 60 (15 questions each from Biology, Chemistry, Mathematics and Physics).
    • Duration: 180 minutes .
    • Maximum marks: 240 .

    Scoring rules

    • Marks per correct answer: +4 .
    • Negative marking: −1 for each incorrect answer.
    • Unanswered questions: 0 marks.

    What this means for your strategy: accuracy is important because negative marking penalises guesses. With 180 minutes for 60 questions, you have an average of 3 minutes per question — but time will vary by subject and by question difficulty. Start with your strongest subjects, mark tougher questions for review, and avoid blind guessing.

    Simple scoring strategy

    • Answer what you are confident about first to secure easy +4s.
    • For a borderline guess, consider the expected value: random guess expected score = (probability of correct × 4) + (probability of incorrect × −1). Pure random guessing on four-option MCQs has low expected value. Use elimination to improve odds before guessing.

    Seats, reservation and seat matrix: Planning your choice list

    Total BS-MS seats across all IISERs are 2,043 . IISER Kolkata offers 280 BS-MS seats plus 30 seats specifically for the Computational & Data Science programme.

    Institute Seats
    IISER Kolkata (BS-MS) 280
    IISER Kolkata (Computational & Data Science) 30
    Total across IISERs (BS-MS) 2,043

    Reservation policy you must factor into preferences

    • SC: 15%
    • ST: 7.5%
    • OBC-NCL: 27%
    • EWS: Up to 10%
    • PwD: 5% (horizontal within each category)
    • Kashmiri Migrants/Pandits: 3 seats per IISER

    How reservation affects your odds: category and sub-category status (for example OBC-NCL or EWS) shifts your effective competition pool. When filling preference lists during counselling, keep reserved seats and your realistic rank in mind.

    Fees and cost planning: Semester and 5-year totals

    Semester-level fee components (typical items and amounts):

    Fee component Amount (per semester)
    Tuition fee (GEN/EWS/OBC-NCL/KM) ₹48,901
    Semester registration fee ₹200
    Student welfare & recreation ₹650
    Lab & computer facilities ₹500
    Examination fee & grade card ₹350
    Hostel seat rent ₹1,500
    Electricity & water charges ₹550
    Mess establishment charges ₹7,000
    Tentative total (one semester) ₹59,651

    Consolidated totals

    • Tentative total for 5 years (10 semesters) for GEN/EWS/OBC-NCL/KM: ₹6,10,410 .
    • Total for SC/ST/PD for 5 years: ₹1,21,400 .

    Other payments

    • Students' health insurance (5 years): ₹7,500 .
    • One-time admission payments (registration, alumni, medical, thesis & convocation): ₹3,400 .
    • Refundable deposit at admission: ₹3,000 .

    Budgeting tips

    • The consolidated fee is moderate compared with many professional colleges, but mess and living costs vary by consumption. Save for the refundable deposit and one-time fees at admission.
    • If you expect a fee waiver (SC/ST/PD), check documentation and eligibility well before counselling.

    Placements and career outcomes: Read beyond percentages

    Recent NIRF-cycle statistics give a clear picture of student choices and outcomes for the UG five-year programme (year 2023–24):

    • Intake 2023–24: 206
    • Admitted 2023–24: 171
    • Graduated 2023–24: 161
    • Placed 2023–24: 12
    • Higher studies 2023–24: 91
    • Placement percentage 2023–24: 15.00%
    • Median salary 2023–24: ₹10,00,000

    What these numbers tell you

    Placements at IISER Kolkata are selective but high-value for those who take industry offers. A large share of graduates move to higher studies — master’s and PhD programmes in India and abroad — which pulls down the placement percentage but explains why median salaries look strong for the comparatively small set who accept jobs.

    Alumni reach and recruiters

    IISER Kolkata alumni work across research labs and companies. Representative institutions include global universities (MIT, Cambridge, Princeton, UC Berkeley), research institutes (Max Planck), and companies such as Google Research, Deloitte, J.P. Morgan and biotech firms. Use the alumni network if you want to pursue research, PhD applications or niche industry roles.

    What’s missing in public data — gaps applicants should ask about

    Official figures cover seats, fees and IAT dates, but several practical areas need clarification before you commit:

    • Postgraduate and PhD-specific admission statistics and fee details for each programme.
    • Detailed placement breakdown: list of recruiters, number of offers per company, package ranges beyond the median.
    • Student life specifics: active clubs, cultural or technical festivals schedule (for example Inquivesta is a major fest), sports facilities and counselling services.
    • Hostel room types, allotment process and waiting lists.
    • Scholarships, fee waiver processing timelines and criteria for merit/need-based aid.

    When you get into counselling or contact admissions, request up-to-date answers on these gaps from the institute’s admissions office or official notifications.

    Practical timeline and checklist for applicants

    Use this action timeline to stay on track from registration to counselling.

    When Action
    Before March 5 Prepare scanned ID, class XII marksheet, caste/EWS/PwD certificates if applicable. Create a plan for which IISERs/programme preference you’ll select.
    By March 5 Register when IAT 2026 application opens. Fill details carefully; mistakes may be hard to correct later.
    Up to April 13 Complete application and pay fees before the deadline ( April 13, 2026 ). Keep copies of payment receipts.
    April 16–18 Use the correction window to fix any mistakes.
    May 24 Download your hall ticket when released. Check exam centre details and allowed items.
    June 7 Take the IAT ( 9:00 AM – 12:00 PM as notified). Save the answer key and note objection dates.
    June 9–13 Raise objections to the answer key if needed.
    Post-results Track counselling calls, document verification and seat allocation rounds. Be ready with original documents.

    Borderline rank strategy

    If your rank is borderline for your preferred IISER, have a backup plan: consider next-best IISERs, keep open options for related BSc/BTech programmes, or prepare to enter higher-study pathways (MSc/JRF) after a year of additional coaching or research internships.

    Final checklist before you submit: decisions that matter

    • Confirm eligibility (minimum class XII marks) and ensure category certificates are uploaded correctly.
    • Set realistic rank targets and finalise your institute and programme preferences for counselling.
    • Finalise budget for tuition, mess and incidental costs; arrange for deposits and one-time fees.
    • Prepare a short list of faculty or research groups you may want to join after admission. This helps at orientation and when choosing projects.

    If you get an offer, prioritise lab/mentor fit and research interests alongside immediate perks like stipend or placement opportunities.

    FAQs

    Q: What is the minimum class XII percentage required to apply? A: For IAT-based admission, you need 60% in class XII for GEN/EWS/OBC-NCL and 55% for SC/ST/PwD.

    Q: When does IAT 2026 close for registration and when is the exam? A: Registration closes on April 13, 2026 and the IAT exam is scheduled for June 7, 2026 . The correction window runs April 16–18, 2026 , and hall tickets release on May 24, 2026 .

    Q: How many seats does IISER Kolkata offer for BS-MS and CDSc? A: IISER Kolkata has 280 BS-MS seats and 30 seats for the Computational & Data Science programme. Total BS-MS seats across IISERs are 2,043 .

    Q: What is the tentative fee for the five-year BS-MS programme for general category students? A: The consolidated tentative fee for 5 years for GEN/EWS/OBC-NCL/KM is ₹6,10,410 , while for SC/ST/PD the five-year total shown is ₹1,21,400 .

    Q: How should I prioritise subjects during the IAT? A: The IAT has 15 questions each in Biology, Chemistry, Mathematics and Physics. Start with subjects where you can score accurately, use time blocks, and avoid blind guessing because of the −1 penalty per wrong answer.

    Q: Placement stats show a low placement percentage. Should I be worried? A: Many IISER Kolkata graduates opt for higher studies: for 2023–24, 91 students took higher studies while 12 accepted placements. The median salary for those placed was ₹10,00,000 . If you aim for industry roles immediately, research each batch’s placement report and talk to alumni about recruiter fit.

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