BITSAT Registration Date: Dates, Steps & How to Apply

If you're targeting BITS Pilani, missing the BITSAT registration date is simply not an option. For 2027, online registration for Session 1 is expected to start in late December 2026. The BITSAT 2027 Last Date to Apply is expected in mid-March 2027 for Session 1. Session 2 registration window is expected in April/May 2027. The Birla Institute of Technology and Science Admission Test (BITSAT) is the official entrance examination for First Degree programmes at BITS Pilani, assessing conceptual clarity, analytical reasoning, and problem-solving ability. Every aspiring engineer needs these dates locked in before anything else.

TL;DR

BITSAT 2027 registration is expected to begin in late December 2026 for Session 1. The Session 1 exam is expected to be conducted from late April to early May 2027, while Session 2 is likely to take place in late June 2027. The Session 2 registration window is expected around April/May 2027, with the final application deadline expected in early June 2027.

What Are the Important Dates for BITSAT Registration?

Understanding the timeline is critical. BITS Pilani conducts the exam in two sessions, and the admit card process is completely dependent on when you book your slot. Based on the official trends from 2025 and 2026, here is the highly anticipated schedule for the 2027 cycle.

BITSAT Registration Date vs Exam Date: What's the Difference?

Many students confuse the application window with the actual exam schedule. They are two completely separate phases, and treating them as one is a costly mistake.

The BITSAT registration date refers to the window during which you submit your application form, upload documents, and pay fees. The exam date is when you physically sit at a test centre and attempt the paper. There is typically a 4–6 week gap between the close of registration and the start of exams, time used for slot booking, admit card release, and exam centre allocation.

If the candidate does not book the test slot and date during the mentioned period, the system automatically allocates the test date and slot as per the preferences and available dates. This means slot booking sits between registration and the exam, a third milestone you cannot ignore.

The post-exam timeline matters too: As soon as the exam concludes, students can download the BITSAT scorecard 2027, with separate scorecards released for both sessions. Seat allotment results are announced in multiple rounds, known as iterations, based on rank, preferences, category (if applicable), and seat availability.

Plan your preparation calendar around all three phases: registration, slot booking, and exam day.

How to Register for BITSAT Step by Step

The entire process is online, which makes it convenient, but also means one technical slip can cost you. Follow these steps exactly:

Visit the official portal: Go to admissions.bits-pilani.ac.in , this is the only official website for BITS Pilani admissions.

Register for a new account: Fresh candidates must first register to obtain a system-generated, unique, 8-digit Application Number (User ID) and Password.

Verify via OTP: Click the registration link and enter your email ID and mobile number to generate an OTP.

Fill the application form: Students must provide their name, gender, date of birth, nationality, mobile phone number, and email address. Also fill academic details and exam city preferences.

Upload documents: Upload scanned images of your passport-size photograph and signature in the specified format and size.

Pay the application fee: Pay the BITSAT application fee via net banking, credit card, or debit card.

Review and submit: Review the application form carefully before submitting.

Save your confirmation: After submission, take a printout of the application for future reference. Use the provided navigation links during the online process and avoid using the browser's back button. Always log out and close the browser after completing the application to safeguard personal details.

If you've already registered for Session 1, candidates who applied only for Session 1 can log in via their existing User ID/Application Number and Password and proceed to submit the form for Session 2.

What Documents Do I Need for BITSAT Registration?

Getting your documents ready before you open the form saves time and prevents errors under pressure. 

Here is what to keep ready:

• Class 10 marksheet (for date of birth verification)
• Class 12 marksheet or appearing certificate
• Passport-size photograph (scanned, in specified format)
• Scanned signature
• Valid email ID and active mobile number

Use a valid email ID and mobile number that will remain active throughout the admission process.

OTPs and all official communications flow through these channels, a number you abandon midway is a serious problem.

Ensure accurate entry of Name, Date of Birth, Mobile Number, Email Address, Gender, and Test City Preferences, as these cannot be changed later.

For photo and signature uploads, the authorities have specified the BITSAT photo and signature guidelines to apply for the test.

Check the official brochure for exact pixel dimensions and file size limits before scanning. Candidates must upload valid documents accurately for their application to be accepted.

A blurry photograph or mismatched signature is one of the most common causes of application rejection, something entirely avoidable with ten minutes of preparation.

Once you're in the exam,while appearing for the BITS admission test, candidates must carry the BITSAT admit card and a valid ID proof.

Start building your BITSAT preparation foundation with the right study material alongside your documentation prep, the two go hand in hand.

BITSAT Registration Fee and Payment Method

The fee structure varies by gender, session count, and exam centre location. The fee details mentioned below are based on the BITSAT 2026 admission cycle. The official fee structure for BITSAT 2027 has not been released yet and may be revised by BITS Pilani during the application process.

Registering for both upfront is almost always the smarter move. Check out the detailed BITSAT application fee breakdown and plan your budget accordingly before the BITSAT registration date window closes.

BITSAT Eligibility Criteria: Who Can Apply?

Meeting the eligibility criteria before you even touch the registration form is non-negotiable. Here's what BITS Pilani requires:

Academic Qualifications:

The candidate should have a minimum of 75% or more in PCM/PCB in aggregate and a minimum of 60% or more in individual subjects in Class 12. PCM means only the marks obtained in Physics, Chemistry, and Mathematics. Applicants must have passed or be appearing in Class 12 (10+2) in 2026 or 2027 from a recognized board.

Subject Requirements by Programme:

English must be a compulsory subject in Class 12. If you're confident you meet these criteria, start your BITSAT online coaching now, preparation and registration should run in parallel, not one after the other.

Can I Edit My BITSAT Application After Submission?

Yes, but the window is narrow and only covers certain fields. Here's everything you need to know about the correction facility. Candidates who needed to edit or revise their entered details in the BITSAT 2027 application could use this opportunity. 

What can you edit?

The correction window allows changes to certain application fields, but not all of them. Certain fields such as Name, Date of Birth, Mobile Number, Email Address, Gender, and Test City Preferences cannot be edited post-registration. These are locked permanently from the moment you submit. Fields that are typically editable include academic details, photograph, and signature (subject to BITS Pilani's guidelines for that cycle).

What if you missed even the correction window?

Once the correction window closes, no further edits are possible. This is why filling the form slowly and carefully, verifying every entry before submitting, is critical. Ensure all entries are accurate before submission.

Common mistakes to avoid:

• Uploading a blurry photograph
• Selecting the wrong exam session
• Entering an incorrect mobile number or email
• Choosing a test city you cannot actually travel to

Pair your registration prep with serious mock test practice. At Phodu Club's BITSAT Test Series , we mirror the exact exam pattern so you're never caught off-guard on exam day.

How to Apply for BITSAT If I Missed the Deadline

Missing the Session 1 BITSAT registration date does not automatically end your BITS Pilani dream. Here's the recovery path:

The Session 2-only route, step by step:

• Wait for the Session 2 window to open.
• Visit admissions.bits-pilani.ac.in as a fresh candidate.
• Candidates can register for BITSAT Session 2 if they have not registered or attended for the Session 1 exam.
• Complete registration, form-fill, document upload, and fee payment as described in the steps section above.
• Book your slot once the slot booking window opens.

Conclusion

• For BITSAT 2027, expect Session 1 registration to open in late December 2026 and close in mid-March 2027. Session 2 registration is expected April/May 2027.
• Eligibility requires 75% aggregate and 60% in individual subjects in PCM/PCB. Students retaking all Class 12 subjects are no longer eligible.
• Fees range from ₹3,100 to ₹9,250. Registering for both sessions upfront maximises your chances at no extra risk.
• Use every day between now and exam day on focused mock tests that replicate the real BITSAT environment.

Frequently Asked Questions

Q1: When does the BITSAT registration date open and close for 2026?

BITSAT 2026 registration started from 15th December 2025. Session 1 closed on 19 March 2026 (extended from 16th), and Session 2 registration ran from 20 April to 2 May 2026.

Q2: What are the minimum marks required to be eligible for BITSAT?

Candidates need 75% aggregate marks in PCM or PCB in Class 12, with at least 60% in each subject. English as a compulsory subject is also mandatory.

Q3: Can I apply for both BITSAT sessions?

Yes. Candidates may appear in one or both sessions. If a candidate appears in both sessions, the higher score will be considered for admission.

Q4: What payment methods are accepted for BITSAT registration fees?

Candidates can pay the BITSAT 2027 application fee online through PayU Money, PayTM, and Razorpay Payment Gateway. Net banking, debit cards, and credit cards are all accepted.

Q5: Is the BITSAT application fee refundable if I don't appear for the exam?

Fees must be paid online using net banking, debit card, or credit card. The application fee is non-refundable. Ensure you're committed before paying.

Q6: Where can I find the official BITSAT 2027 registration link?

Applications can only be submitted through the official BITS Pilani admission website: admissions.bits-pilani.ac.in . Avoid any third-party portals claiming to offer registration services.