JEE Main session 1 registration: what to upload, what to fix

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JEE Main 2027 session 1 registration has no official date yet. The NTA calendar plans the exam for 22, 23, 24, 28, 29 and 30 January 2027 (tentative, with 31 January as buffer). For the 2026 cycle, registration ran from 31 October to 27 November 2025, so the form can appear any week once the 2027 bulletin is out. Watch jeemain.nta.nic.in and prepare your files now.

Session 1 and session 2: which one do you fill?

Session 1 is the January attempt. Session 2 is the later attempt (April in the 2026 cycle). In the 2026 bulletin a candidate need not appear in both, and if you appear in both, the better NTA score is used for the rank. Each session has its own dates, and a date for one does not apply to the other.

On fees, the 2026 bulletin listed the fee "for each session", so session 2 meant a separate payment. Session 2 was applied for separately, with the same application number, in a window notified later. Check the fee clause of the 2027 bulletin to see whether this repeats. Every new year needs a fresh application, so a drop-year student should register again.

What to keep ready

Item	Format	Size (2026 bulletin)
Photograph	JPG/JPEG, colour	10-200KB
Signature	JPG/JPEG	10-100KB
Class 10 certificate	PDF	50-300KB
Live photo	Captured in the form	No file needed

The 2026 bulletin asks for a recent colour passport size photo against a white background, with 80% of the face and both ears visible, and no mask. Identity proof (only if you do not verify with Aadhaar or DigiLocker) was a JPG/JPEG of 10-200KB, and a disability or UDID certificate a PDF of 50-300KB.

Source: NTA, JEE (Main) 2026 Information Bulletin. These are last cycle's figures and may change in the 2027 bulletin.

Try it here

JEE Main Photo & Signature Resize

Same settings as the full tool page.

Runs in your browser. Your file never leaves your device. Open the full JEE Main Photo & Signature Resize page

What gets applications rejected

• A photo that is not recent, or one where the face and ears are less than 80% visible or a mask is worn.
• A file outside the KB range, or in the wrong format (photo and signature as JPG/JPEG, Class 10 certificate as PDF).
• A Class 10 PDF that is unreadable because it was squeezed too hard. The bulletin says unclear uploads are a risk.
• Name or date of birth that differs from the Class 10 certificate.

Fix the certificate first. A blurry scan is the quickest way to a rejection, and the phone scanning steps show how to avoid it.

Steps on registration day

1. Register with your own mobile number and email, and note the application number.
2. Fill the personal and academic details exactly as on the Class 10 certificate.
3. Upload the photo, signature and certificate, then take the live photo.
4. Pay the fee and download the confirmation page.

Can you correct it later?

The 2026 bulletin said corrections in only certain fields would be permitted during a correction window notified later. The 2027 bulletin has not been published, so which fields can be edited and until when is not known. Do not plan around it. Submit a correct form the first time, and read the correction clause of the 2027 bulletin as soon as it is out.

If you already registered and spot an error, use the correction facility from your login only inside the window NTA announces. The 2026 bulletin also warns that a photo, signature or certificate uploaded in the wrong place will not be corrected later.

Preparing the files, one by one

Photo: take it in daylight against a plain white wall, face straight, both ears visible, against a white background. A phone photo is often over 200KB, so you will need to bring it down. Lower the quality setting rather than shrinking the pixels, or the face goes soft. The image compression guide shows how.

Signature: sign with a dark pen on plain white paper and photograph it flat. Crop the empty paper and keep the strokes dark. The signature size guide covers the KB cleanup, and the 2026 limit here is 10-100KB, so you have more room than most exams.

Class 10 certificate: the file must be a PDF between 50KB and 300KB in the 2026 bulletin. A single page scan works. If the scan is above 300KB, compress it in steps and open the result to check that your name and date of birth are still readable.

Details that must match

Your name, date of birth and parents' names should be written the way they appear on the Class 10 certificate. A mismatch between the form and the certificate can cause trouble at verification, even if the upload itself passed. If your certificate has a spelling error, sort it out with your board before the form opens, not after.

Also keep an email and mobile number that you check daily. The 2026 bulletin schedules the city intimation slip before the exam and the admit card 3-4 days before it, on the NTA website.

Timeline you can plan around

Event	Status
Session 1 exam	22-24 and 28-30 Jan 2027 (tentative)
Registration window	Not announced
Correction window	Not announced
Session 2	Later, with its own notice and fee (April in 2026)

Source: NTA Examination Calendar, December 2026 cycle onwards (checked October 2026), and the 2026 bulletin for the 2026 cycle. NTA says the dates can change.

Before you pay

Preview the whole form once more. Check the paper you picked, exam cities, category and the uploaded images at full size. Corrections after submission are limited to certain fields, so a wrong category or paper may not be fixable. The confirmation page is generated only after a successful payment, so download it and keep it with your application number. If it does not appear, the 2026 bulletin says the transaction is treated as cancelled and you must pay again.

Common mistakes

• Treating tentative dates as final. Wait for the registration notice.
• Skipping the confirmation page, so you have no proof the form was completed.
• Mixing 2026 and 2027 dates from old posts. Check the year in each announcement.

The January attempt is also covered in the session 1 exam date and prep post.

Tools for this

Frequently asked questions

Sources

• NTA, JEE (Main) 2026 Information Bulletin (checked 2026-10)
• NTA, JEE (Main) official site (checked 2026-10)
• NTA Examination Calendar (checked 2026-10)

Rules and limits change. Always check the latest official notification or portal before you submit a form.