IIST BTech+MTech is a 5 Years program offered in multiple specializations. To pursue B.Tech. + M.Tech. degree at Indian Institute of Space Science & Technology Thiruvananthapuram, candidates must meet certain eligibility criteria. Applicants should have successfully completed their 10+2 or equivalent examination with Physics, Chemistry, and Mathematics as compulsory subjects. They must also secure a minimum aggregate of 75% marks or be in the top 20 percentile in their respective board examinations. Additionally, candidates must qualify in the Joint Entrance Examination (JEE) Main and JEE Advanced, which is conducted by the National Testing Agency (NTA). The semester fee for B.Tech+M.Tech is ₹67,950.
The table below lists the key details of Indian Institute Of Space Science & Technology B.Tech+M.Tech, including its duration, admission process, program type, and available specializations.
| Particulars | Admission Details |
| Duration | 5 Years |
| Program Mode | Regular |
| Specializations | Optical Engineering |
| Accepted Entrance Exam | JEE Advanced, JEE Main |
| Application Form | Online |
| Official Website | https://iist.ac.in |
IIST Fees for BTech+MTech tution in 2026 are ₹62,500/semester. A one-time admission fee of ₹9,000 is applicable, along with an examination fee of ₹500 and additional fees of ₹4,650. IIST hostel fee is ₹98,200 including mess charge for students opting for residential facilities:
| Particulars | Semester Fees |
| Tution Fees | ₹62,500 |
| One Time Fees | ₹9,000 |
| Exam Fees | ₹5,00 |
| Additional Fees | ₹4,650 |
| Hostel & Mess Fees | ₹98,200 |
IIST Thiruvananthapuram admission process for BTech+MTech in 2026 is based on JEE Advanced scores. Eligible candidates need to register online, pay the non-refundable registration fee, and submit their JEE details. IIST releases a category-wise rank list, after which candidates choose their preferred branches. Seats are allotted in rounds, and selected candidates must confirm their seat, pay the first semester fee, and upload the required documents. Spot admissions are held for the remaining seats. Lastly the candidates need to report the IIST campus to complete the admission process:
Step 1: Appear for JEE Main and JEE Advanced
Step 2: Check Eligibility Criteria
Step 3: Complete Online Registration
Step 4: Pay Registration Fee Online
Step 5: Release of IIST Admission Rank List
Step 6: Fill Branch Preferences
Step 7: Seat Allotment Rounds
Step 8: Accept the Allotted Seat
Step 9: Pay First Semester Fee and Upload Documents
Step 10: Spot Admission (If Required)
Step 11: Report to IIST and Complete Admission
IIST Thiruvananthapuram JEE Mains dates for 2026 Session 1 have been announced. The application form opened from 31st October to 27th November 2025, with the last date for fee payment was 27th November. Examination cities will be announced by the first week of January 2026, and admit cards will be released in the same month. The entrance exam is scheduled between 21st and 30th January 2026, with the answer key will be available by the first week of February and results will be expected on 12th February 2026:
JEE Mains Event for Session 1 | JEE Mains Dates for Session 1 |
| Application Form Submission Date | 31st Oct, 2025 - 27th Nov, 2025 |
| Last Date for Fee Payment | 27th Nov, 2025 |
| Announcement of the City for Examination | By the First week of January 2026 |
| Admit Card Release Date | January 2026 |
| Date of Examination | 21st January, 2026 - 30th January, 2026 |
| Answer Key Release Date | By the First week of Feburary 2026 |
| Result Date | 12th February, 2026 (Tentative) |