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IIST B.Tech Admission 2025 - Seat Allotment (Out), Rank List, Registration, Date, Counselling, Cutoff
IIST B.Tech Admission 2025 - The Indian Institute of Space Science and Technology (IIST) announced the IIST 2025 last Spot round 51 of seat allotment on its official website iist.ac.in. The last date to accept the Spot round seat allotment of IIST 2025 is August 5, 2025. Candidate has to login to the official portal with credentials to accept the seat allotment. Only IIST 2025 counselling registered candidates will be allowed for spot round seat allotment. The IIST authority has closed IIST 2025 admissions on August 4, 2025. IIST B.Tech round 6 seat allotment 2025 was announced on June 23, 2025. Candidates can check the IIST seat allotment result on the official website, iist.ac.in, and make a decision before the deadline by paying a fee. The deadline for the IIST Btech round 6 seat acceptance portal is June 25, 2025. Candidates whose names appeared in the rank list are eligible for the counselling process. The authority released the IIST B.Tech rank list on June 12, 2025. To download the rank list, candidates need their IIST registration number and password. The IIST B.Tech 2025 application form concluded on June 9, 2025.
Direct link to check the IIST B.Tech seat allotment result 2025
This Story also Contains
- IIST B. Tech 2025 Admission Overview
- IIST B.Tech Admission 2025- Important Dates
- IIST B.Tech Eligibility Criteria 2025
- IIST B.Tech Reservation Criteria 2025
- IIST B.Tech Application Form 2025
- IIST B.Tech Admission 2025 Rank List
- IIST B.Tech Counselling and Seat Allotment 2025
- IIST B.Tech Seat Allotment 2025
- IIST B.Tech 2025 Seat Matrix
- IIST B.Tech Cutoff 2025
- IIST B.Tech Fee Structure 2025
The IIST B.Tech 2025 application form link was activated on the official website. To be eligible for IIST B.Tech admission 2025, candidates must have qualified the JEE Advanced exam and applied to the institute through the IIST registration process. There will be no separate entrance exam for IIST B.Tech admission, and the entire process will be based on JEE Advanced scores.
IIST B. Tech 2025 Admission Overview
Particulars | Details |
Admission Process | Indian Institute of Space Science and Technology B. Tech admission |
Commonly Known As | IIST B. Tech Admission |
Conducting Body | Institute of Space Science and Technology |
Category of Admission | Undergraduate |
Admission Criteria | The score obtained in JEE Advanced 2025 |
Mode of Application | Online mode |
Mode of counselling of IIST 2025 B.Tech Admission | Online Mode |
Official Website | iist.ac.in |
IIST B.Tech Admission 2025- Important Dates
The authority has announced the IIST B.Tech 2025 admission dates on the official website, iist.ac.in. Candidates are advised to check the important dates of IIST B.Tech 2025 admission beforehand to keep a check on the major application and admission events like the last date of registration. The following table can be referred to check the IIST B.Tech important dates 2025.
IIST B.Tech 2025 Admission Dates
Events | Dates |
Commencement of Registration for IIST 2025 B.Tech Admission | May 27, 2025 |
Last date to register for B. Tech at IIST | June 9, 2025 |
Release of IIST Admission Rank List 2025 |
|
The last date to modify the branch preference | June 12, 2025 |
Start of Seat allotment / Acceptance rounds | Round 1- June 13 to June 15, 2025 |
| Last date for candidates (Rounds 1-5) to respond to queries regarding uploaded documents | June 23, 2025 |
| Last date for candidates (Rounds 6-10) to respond to queries regarding uploaded documents | July 3, 2025 |
Joining IIST | July 21, 2025 |
Spot admission notification in case of vacant seats | July 4, 2025 |
Spot admission registration (Applicable only for remaining wait-listed candidates after the last round of seat allotment) | July 5 to 9, 2025 |
Spot admission if required (Applicable only for remaining waitlisted candidates after last round of seat allotment) | July 10 to 18, 2025 |
Closing of admission | July 21, 2025 |
Commencement of classes | August 4, 2025 |
Induction program | July 21 to August 1, 2025 |
IIST B.Tech Eligibility Criteria 2025
Candidates must check the eligibility criteria for IIST B.Tech admission 2025 before filling out the application form. It should be noted that no candidate will be eligible for final admission if he/she does not satisfy the IIST B.Tech eligibility conditions. Candidates can check the following table to know the detailed IIST eligibility criteria 2025 for BTech.
IIST B.Tech 2025 Eligibility Criteria
Specifications | IIST B.Tech Eligibility |
Citizenship | Candidates must be Indian Nationals |
Date of Birth/Age Limit |
|
List of Qualifying Examinations |
|
Minimum Marks in Qualifying Examination | Candidates should have at least 75% aggregate marks in class 12 board or equivalent examination. Candidates belonging to SC/ST/PwD categories should have scored a minimum of 65% aggregate marks in the qualifying board examinations. |
Subjects considered for Qualifying Examination |
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Minimum Marks in JEE Advanced 2025 |
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IIST B.Tech Reservation Criteria 2025
The authorities will specify the reservation criteria for IIST B.Tech admission for candidates belonging to various categories. Candidates can refer to the official notification to check the detailed reservation criteria for IIST B.Tech 2025 admission.
Reservation Policy for IIST B. Tech Admission
Category | Reservation |
Scheduled Castes (SC) | 15% |
Scheduled Tribes (ST) | 7.5% |
Other Backward Classes (OBC) Those of Non Creamy Layer (NCL) | 27% |
Persons with Disabilities (PwD) | 5% |
Economically Weaker Sections (EWS) | 10% of the last year’s strength |
IIST B.Tech Application Form 2025
The authorities closed the IIST B.Tech 2025 application form link on June 9, 2025. The application form submission involved registration, form filling, and payment of the application fee. Candidates had to complete the application process for IIST Thiruvananthapuram BTech admission within the given timeline.
Steps to fill IIST B.Tech Application Form
Candidates can refer to the following steps for filling out the application form of IIST B.Tech 2025-
Step 1: Registration and form filling- Candidates who appear for JEE Advanced 2025 and satisfy all the eligibility conditions will first have to register by entering basic details like name, mobile number, etc. Candidates will also be required to enter all other required details of the form. On successful registration, candidates will receive a system-generated IIST Registration Number. Candidates will also be needed to specify a password.
Candidates will also be required to upload a scanned image of their photograph uploaded during JEE Advanced 2025 registration in this step.
Step 2: Payment of Application fee- Once all the details are entered, candidates will have to pay the registration fee of IIST B.Tech 2025. Payment of the registration fee can be done in online mode only by clicking on the “Pay Registration Fee” link. Receipt of payment will be confirmed through registered Email and mobile number.
Also check: Instructions for IIST BTech Spot Admission 2025
Application Fee for IIST B.Tech Admission 2025
Categories | Gender | Amount |
General and OBC-NCL | Male | Rs 600 |
General and OBC-NCL | Female | Rs 300 |
SC, ST and PwD | All | Rs 300 |
IIST B.Tech Admission 2025 Rank List
The authorities released the IIST B.Tech Admission rank list 2025 online on June 12, 2025. The IIST B.Tech 2025 rank list has been generated only for candidates who have completed their registration and paid the fee before the last date. The IIST B.Tech rank list has been prepared only based on JEE Advanced scores. The authorities follow a tie-breaking rule in case of similar marks obtained by two or more candidates in the JEE Advanced 2025 examination.
IIST B.Tech Admission Rank List: Tie-breaking Rule
In case of a tie, candidates with higher marks in Mathematics will be given a higher rank.
If a tie still persists, candidates with higher marks in Physics will be given a higher rank.
If a tie still persists, candidates with a higher rank in the JEE Main 2025 examination (in the respective category) will be assigned a higher rank.
IIST B.Tech Counselling and Seat Allotment 2025
The authorities are conducting the IIST B.Tech 2025 counselling and seat allotment in online mode. Candidates can refer to the complete IIST B.Tech counselling and seat allotment 2025 process given below-
IIST B.Tech 2025 Counselling: Filling-in of Branch Preferences
Candidates shortlisted on the basis of the IIST B.Tech admission rank list will have to fill in their preferences of branches during registration.
IIST B.Tech counselling will not be completed without entering branch preferences.
Candidates are advised to submit their branch preferences before the last date. The choices filled by the candidates will get automatically locked after the last date.
Candidates will not be allowed to make changes to their choices after locking.
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Try NowIIST B.Tech Seat Allotment 2025
A detailed schedule of IIST B.Tech seat allotment/Acceptance rounds is released by the authorities.
Based on available vacancies, IIST B.Tech seat allocation is done in order of merit as per the preferences filled in by the candidates.
Candidates satisfied with the IIST B.Tech seat allotment will have to choose the Freeze option and proceed to confirm seat acceptance.
Candidates choosing the Freeze option will not be further considered for their higher preferences, if any.
Candidates who wish to be considered for their higher preferences but want to confirm their allotted seat will be required to choose the Slide option and proceed to confirm seat acceptance.
Branch choices will automatically slide up as per the preference order filled-in by the candidates on the basis of available vacancies and merit.
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IIST B.Tech Seat Acceptance 2025
Candidates opting for the Freeze or Slide options during an IIST B.Tech seat allocation round are required to accept the seat. First of all, candidates are to pay the First Semester Fee amounting to INR 34000 (charges towards the Hostel and Dining amounting to INR 14400 will be collected on arrival at IIST) before the specified date in online mode. Next, the candidates are required to upload the scanned documents as mentioned below-
Documents for Verification
Class X certificate or birth certificate
Class XII (or equivalent examination) mark sheets (for those who appeared for this examination in 2024 and/or 2025)
Class XII (or equivalent examination) certificate (for those who appeared for this examination in 2024 and/or 2025)
Category (EWS/OBC-NCL/SC/ST/PD) certificates
Transfer Certificate from the institute last attended
Aadhaar Card
On successful uploading of documents, a provisional admit card of candidates will be generated. Candidates will be able to download their admit card by logging in to the candidate portal. Candidates must note that they will be required to produce this admit at the time of joining IIST.
To know about Re-validate Registration, forfeiture of accepted Seats, Refund Policy, and more check the official website.
IIST B.Tech 2025 Seat Matrix
Candidates can refer to the following tables to learn about the seat matrix of IIST B.Tech admission. Candidates can also check the seat matrix of dual degrees.
IIST Seat Matrix
S. No. | Programme | Total Seats | Duration of Programme |
1. | B. Tech (Aerospace Engineering) | 60+6*+3** | 4 Years |
2. | B. Tech (Electronics and Communication Engineering/ Avionics) | 60+6*+3** | 4 Years |
3. | Dual Degree (B.Tech and Master of Science/M.Tech) | 20+2* | 5 Years |
Note: Here, ‘*’ means 10% of the total number of seats for IIST B. Tech admission.
‘**’ means supernumerary seats under the Prime Minister’s Special Scholarship Scheme for Jammu & Kashmir students (PMSSS) in the branches of Aerospace Engineering and Electronics and Communication Engineering.
Category-wise IIST B.Tech Seat Matrix
Note:
Here, ‘*’ means 10% of the total number of seats for IIST B. Tech admission.
‘**’ means supernumerary seats under the Prime Minister’s Special Scholarship Scheme for Jammu & Kashmir students (PMSSS) in the branches of Aerospace Engineering and Electronics and Communication Engineering.
The number in the bracket indicates that one PD candidate (Persons with Disabilities) is included
IIST B.Tech Cutoff 2025
The authorities will release category-wise IIST B.Tech cutoff 2025 on the official website. IIST B.Tech cutoff will include the opening and closing percentage of JEE Advanced marks and opening and closing ranks for IIST B.Tech admission 2025. Candidates qualifying for the IIST B.Tech 2025 cutoff will have higher chances of admission to the institute. As the IIST B.Tech cutoff 2025 has not been released yet, candidates can check the previous year's cutoffs given below-
IIST BTech 2024 Cutoff
IIST BTech 2023 Cutoff
IIST BTech Cutoff 2022
IIST B.Tech 2021 Cutoff
IIST B.Tech Cutoff 2020
IIST B.Tech Cutoff 2019
Check: To check IIST B.Tech Cutoff Marks in JEE Advanced 2020
Also: IIST B.Tech cutoff for previous years
IIST B.Tech Fee Structure 2025
Candidates can check the per semester fee structure of IIST B.Tech from the following table-
Fee Component | Amount (INR) |
Tuition Fee | 20000 |
Establishment Fee | 8000 |
Student Amenities Fee | 4000 |
Medical Charges | 2000 |
Hostel and Dining Charges | 14400 |
Total | 48400 |
Contact Details
Chairperson, UG Admissions
Indian Institute of Space Science and Technology
Valiamala (P.O.), Thiruvananthapuram – 695547
Kerala, India
E-Mail: ugadmission@iist.ac.in
IIST Helpdesk: Landline Numbers: 0471-2568477, 478, 618, 418
(Monday to Friday from 9:30 a.m to 5:00 p.m)
Fax: 0471-2568556
Frequently Asked Questions (FAQs)
Q: When was the IIST BTech 2025 seat allotment relesed?
A:
The authority announced the IIST BTech round 6 seat allotment on June 23, 2025.
Q: How can I check the IIST B.Tech admission rank list 2025?
A:
Candidates can check the IIST B.Tech 2025 admission rank list on the official website.
Q: What is the last date for IIST admission?
A:
The last date for IIST admission 2025 was June 9, 2025.
Q: When will the IIST B.Tech 2025 application form be released?
A:
The IIST B.Tech 2025 application form began on May 27, 2025.
Q: What JEE rank is required for IIST?
A:
As per the 2024 reports, the B.Tech cutoff ranged between 16-666. Candidates with a JEE Advanced rank of around 200 can secure a seat in Aerospace Engineering for the general category, while SC and ST candidates may also be eligible with similar ranks.
Q: Can I join IIST without JEE?
A:
No, the JEE score is mandatory for admission to IIST. Students must qualify for the JEE (Advanced) exam and then apply for IIST counseling.
Q: How can I fill the application form of IIST B.Tech admission 2025?
A:
Candidates must fill the IIST B.Tech application form through the official website (iist.ac.in). The process includes registration and fee payment.
Q: What is IIST B.Tech admission cutoff 2025?
A:
The cutoff will include the opening and closing percentage of JEE Advanced marks and the ranks required for admission in IIST B.Tech 2025.
Q: Who is eligible for IIST 2025?
A:
Eligibility for IIST 2025 includes a bachelor's degree with a 60% aggregate for General/EWS & OBC categories and 55% for SC/ST & PwD candidates.
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On Question asked by student community
Have a question related to JEE Advanced ?
Hello Alka
For JEE Advance, the best 5 subjects through which you need to calculate your percentage is:
1. Physics
2. Chemistry
3. Mathematics
4. One language (which is English)
5. One other subject of your choice
So you will need to choose PCM + English + a 5th subject to calculate your percentage.
Hope this answer helps! Thank You!!!
Hello!
In JEE Advanced eligibility, the top 5 subjects from your board exam are considered. Usually, they are Physics, Chemistry, Mathematics, and any two other subjects from the main curriculum. If CMS is your optional subject and IT is an additional subject, the board will still calculate based on the 5 highest marks from your eligible subjects. Additional subjects are considered only if they replace a lower score from another subject. For example, if IT has a higher score than English or CMS, then IT can be counted. However, some boards follow strict rules where only main subjects are counted, so you must verify with your board’s official notification. The 75% criteria means your average percentage in those best 5 subjects must meet the requirement. My advice—list all your subjects, arrange them from highest to lowest marks, and take the top five as per rules.
Hope this clears your doubt!
Getting under AIR 100 in JEE Advanced in 6 months is very tough but possible if you already have strong basics and are scoring high in JEE Main-level tests. You'll need 10–12 hours of focused daily study, advanced problem-solving, and regular mock tests. If you're starting from scratch, it's unlikely, but you can still aim for a good IIT rank with consistent effort.
Hello,
To qualify for the JEE Advanced, you need to score a certain percentile or above. This percentile may change depending on those years competition. Generally you need a percentile of 93-94 to qualify for the JEE Advanced. So, every year only 250,000 candidates from the JEE Mains out of all candidates qualify for the JEE Advanced exam.
I hope it resolves your query!!
Hello,
Yes, a person with 40% disability due to OCD and a temporary mental illness certificate valid for 2 years can get reservation in JEE Main and JEE Advanced, if the certificate meets the official requirements.
Eligibility for PwD Reservation in JEE Main & Advanced
As per NTA (JEE Main) and IITs (JEE Advanced) guidelines:
PwD reservation is available for candidates with 40% or more disability.
The disability must be certified by a competent medical authority, as per the Rights of Persons with Disabilities Act, 2016.
Mental illness, including OCD, is recognized under this Act.
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