Illustration of a laptop showing an online application checklist with a graduation cap

Overview:

This guide walks you through the BPSC TRE 4 online application for 32,388 teacher posts. You will learn how to finish One Time Registration (OTR), link DigiLocker, fill the six profile steps, capture your live photo and upload signatures, lock your profile, choose your level and subject, and pay the ₹100 fee per level. It also lists the documents to keep ready, the key dates (form till 26 October and fee till 25 October 2026), common mistakes that cause rejection, and what to do after you submit. Simple tips help first-time applicants from Muzaffarpur and across Bihar.

Filling a government form can feel scary. Also, One small mistake can undo weeks of hope. So if you plan to apply for BPSC TRE 4, this guide is for you. The BPSC TRE 4 apply online process has a few new steps this year. For example, you must finish OTR first, and you must link DigiLocker.

Don’t worry, though. In addition, we explain every step in plain words. First, you will see the documents to keep ready. Moreover, Next, you will learn how to create your OTR and profile. Then we show how to pick your post, pay the fee and submit. Finally, we share common mistakes and what to do after you apply. The last date is 26 October 2026, so let us start now.

BPSC TRE 4 Apply Online: Quick Facts

Before you begin, look at the key facts. Furthermore, they help you plan your time and money.

ItemDetails
Recruiting bodyBihar Public Service Commission (BPSC)
AdvertisementNo. 15/2026 (replaces No. 14/2026)
Total posts32,388 teacher posts
Form start date25 September 2026
Last date to pay fee25 October 2026
Last date to submit26 October 2026
Fee₹100 per class level
Where to applyBPSC online application portal

So you have about four weeks to apply. However, do not wait for the last week. The website often slows down near the deadline.

BPSC TRE 4 apply online: Documents to Keep Ready

Collect these papers before you open the website. Additionally, Then you can finish the form in one sitting.

  • Aadhaar card, with your mobile number linked to it
  • A working email ID and your own mobile number
  • Class 10 certificate for your date of birth
  • Class 12, graduation and post-graduation mark sheets, as needed
  • D.El.Ed or B.Ed certificate
  • CTET, Bihar TET or STET certificate
  • Caste, EWS, disability or other category certificates, if you claim them
  • A clear signature in Hindi and in English on white paper

Why Aadhaar Is So Important

Aadhaar helps BPSC confirm your identity. If you do not give a valid Aadhaar number, you pay an extra ₹200 biometric fee. Also, your mobile must link to Aadhaar for OTP checks during document verification. So update your Aadhaar mobile number first, if needed.

Tip: Scan all your papers and keep them in one folder on your phone. As a result, you will not waste time looking for them later.

BPSC TRE 4 apply online: Step 1: Finish Your One Time Registration (OTR)

OTR means One Time Registration. Besides, it is your permanent BPSC account. So you only make it once, and then you use it for future BPSC exams too.

How to Create Your OTR

  1. First, open the BPSC online application portal.
  2. Next, click on “New User Registration”.
  3. Then enter your name, date of birth, mobile number and email.
  4. After that, verify your mobile and email with OTPs.
  5. Finally, save your user ID and password in a safe place.

Tip: Type your name exactly as it appears on your Class 10 certificate. Otherwise, you may face trouble during document checks.

This year, BPSC uses DigiLocker to check documents. DigiLocker is a free government app that stores digital copies of your papers. In fact, the portal links to it through the Meri Pehchan login.

  1. First, log in to your BPSC account.
  2. Next, click on the DigiLocker link option.
  3. Then sign in with your Aadhaar-linked mobile number.
  4. After that, allow BPSC to fetch your documents.
  5. Finally, check that your certificates show up correctly.

If you do not have a DigiLocker account, you can make one for free. Simply use your Aadhaar and mobile number.

BPSC TRE 4 apply online: Step 3: Complete Your Profile in Six Parts

Your profile has six parts. Fill each part with care, because these details go into every future BPSC form.

Part 1: Personal Details

Enter your name, parents’ names, date of birth and gender. Also, choose your category, such as General, BC, EBC, SC, ST or EWS.

Part 2: Address Details

Enter your permanent address and your address for letters. Of course, If both are the same, tick the “same as” box.

Part 3: Declarations

Answer the required questions honestly. For example, you may need to state your domicile and other details.

Part 4: Education Details

Add your education from Class 10 onwards. So enter your board, year, roll number and marks for each exam.

Part 5: Experience

Add any teaching experience you have. However, you can leave this blank if you have none.

Part 6: Photo, Signature and Profile Lock

This part is new and important. The portal takes a live photo through your webcam or phone camera. In particular, Then you upload your signature in Hindi and in English. Finally, you lock your profile.

Tip: Sit in good light for the live photo. Also, face the camera directly and keep a plain wall behind you.

What Profile Lock Means

Once you lock your profile, you cannot easily change it. So read every detail twice before you lock it.

BPSC TRE 4 apply online: Step 4: Open the TRE 4 Application Form

Now you are ready for the actual form.

  1. First, log in to your BPSC account.
  2. Next, open the “New Application” or current vacancies tab.
  3. Then click on the TRE 4.0 link for Advertisement No. 15/2026.
  4. After that, read the instructions and tick the box to agree.

Choose Your Level and Subject

You can apply for more than one class level. However, you pay ₹100 for each level. So choose only the levels you are eligible for.

If you have…You can think about…
Class 12 + D.El.Ed + CTET/BTET Paper 1Classes 1 to 5
Graduation + B.Ed or D.El.Ed + CTET/BTET Paper 2Classes 6 to 8
Graduation in subject + B.Ed + STET Paper 1Classes 9 to 10
Post-graduation in subject + B.Ed + STET Paper 2Classes 11 to 12

This table is only a quick guide. So always match your details with the official notice.

BPSC TRE 4 apply online: Step 5: Pay the Application Fee

The fee is ₹100 per class level. Also, you may pay a ₹200 biometric fee if you do not give Aadhaar. In addition, your bank may add a small charge.

Ways to Pay

  • Debit card
  • Credit card
  • Net banking
  • UPI, if the portal shows it

What to Do if Payment Fails

Sometimes money leaves your account, but the portal shows “failed”. In that case, do not pay again at once. Instead, wait a few hours and check your payment status. Also, Usually, the bank returns failed payments in a few days.

Tip: The last date for the fee is 25 October 2026. So pay at least two days before that date.

BPSC TRE 4 apply online: Step 6: Submit and Save Your Form

After payment, check the full form one last time. Then click “Submit”. In addition, Now the portal will show a confirmation page.

  • Download the confirmation page as a PDF.
  • Take a printout as well.
  • Save your application number in your notes.
  • Keep the fee receipt with your papers.

You will need these details later. For example, you may need them for the admit card and for document checking.

BPSC TRE 4 apply online: Common Mistakes That Cause Rejection

Many candidates lose their chance because of small errors. So avoid these.

Using the Old Advertisement

Advertisement No. 14/2026 is cancelled. So only apply under Advertisement No. 15/2026.

Wrong Name Spelling

Your name must match your certificates. Otherwise, your papers may not match at the time of checking.

Blurry Photo or Signature

A blurry photo can lead to rejection. So retake the photo if it looks unclear.

Choosing a Level You Are Not Eligible For

Wrong choices waste money. Also, they may lead to rejection later. So check your degree and your STET or CTET first.

Using Someone Else’s Mobile Number

OTPs come to the mobile number you give. So always use your own number, not a shop or friend’s number.

BPSC TRE 4 apply online: What Happens After You Apply

After you submit the form, you need to wait for the next steps. Here is what usually happens.

  1. First, BPSC checks all applications.
  2. Next, it shares the exam date on its website.
  3. Then it releases the admit card online.
  4. After the exam, it publishes the result.
  5. Finally, selected candidates go for document checking.

Meanwhile, start your study plan. For example, revise your subject, practise past papers and learn the Bihar general knowledge topics.

BPSC TRE 4 apply online: Case Study: Rahul From Muzaffarpur

Rahul is from Kanti in Muzaffarpur. Moreover, He has a BSc and a B.Ed. Also, he passed STET Paper 1 in Science.

First, Rahul updates his Aadhaar mobile number. Next, he makes his OTR and links DigiLocker. Furthermore, Then he fills his profile and takes his live photo in daylight. After that, he picks Classes 9 to 10 in Science. Finally, he pays ₹100 and downloads his confirmation page.

As a result, Rahul finishes his form in one evening. Now he spends the rest of October on study, not on form trouble.

BPSC TRE 4 apply online: A Simple Timeline to Apply Without Stress

You have a few weeks. So split the work into small steps. Additionally, Here is an easy plan.

WhenWhat to do
Week 1Update Aadhaar mobile, make OTR, link DigiLocker
Week 2Fill the six profile parts and lock the profile
Week 3Fill the TRE 4 form and pay the fee
Week 4Keep a buffer for any problem, then relax

This plan leaves a full week spare. So if the site is slow, you still have time.

BPSC TRE 4 apply online: Help if You Get Stuck

Sometimes the site shows an error. Don’t panic. Besides, First, clear your browser cache. Next, try a different browser. Then try again at night, when fewer people use the site. Also, read the help notes on the portal. In fact, If the problem stays, use the helpdesk details given by BPSC. Keep a photo of the error screen. In general, it helps the helpdesk fix your issue fast.

Key Takeaways

  • Finish your OTR and link DigiLocker before you open the TRE 4 form.
  • Keep Aadhaar, certificates and signatures ready to finish in one sitting.
  • Pay ₹100 per class level by 25 October 2026, and submit by 26 October 2026.
  • Check your name, category and subject twice before you lock your profile.
  • Save the confirmation page and application number for the admit card.

Did You Know?

Did you know that your OTR is for life? Once you create it, you can use the same account for future BPSC exams. So a careful OTR today saves you time in every future application.

Conclusion

The BPSC TRE 4 apply online process looks long, but it is simple when you go step by step. Of course, First, finish OTR and link DigiLocker. Next, fill your profile, take a clear photo and lock it. In particular, Then choose the right level, pay the fee and submit. Also, save your confirmation page. Most importantly, apply early, because the website slows down near 26 October. For the full list of posts and rules, read our BPSC TRE 4 notification guide. You can also follow the latest Bihar news on Muzcorner. Also, Open the portal today and take the first step.

FAQs

How do I apply online for BPSC TRE 4?

First, create your One Time Registration on the BPSC online portal. Next, link your DigiLocker account. In addition, Then fill your profile, take a live photo, upload signatures and lock your profile. After that, open the TRE 4.0 form for Advertisement No. 15/2026. Finally, choose your level, pay the fee and submit the form. Save the confirmation page.

What is OTR in BPSC TRE 4?

OTR means One Time Registration. Moreover, it is your permanent account on the BPSC online portal. You must finish it before you can apply for TRE 4. Also, you can use the same OTR for future BPSC exams. So fill it carefully, and type your name exactly as it appears on your Class 10 certificate.

Can I apply for more than one class level?

Yes, you can apply for more than one class level. However, you must pay ₹100 for each level you choose. Also, you must meet the eligibility for each level. For example, Classes 11 to 12 need a post-graduation, B.Ed and STET Paper 2. So check your papers before you choose.

What if my BPSC TRE 4 payment fails?

Do not pay again at once. First, wait a few hours and check your payment status on the portal. Furthermore, Sometimes the payment updates late. If the money was cut but the payment failed, your bank usually returns it in a few days. Also, try to pay early, so you have time to fix any problem.

Is DigiLocker compulsory for BPSC TRE 4?

BPSC has added DigiLocker to check documents and identity during OTR and the application. So you should link your DigiLocker account. You can make a free DigiLocker account using your Aadhaar and mobile number. Additionally, If you face any trouble, read the help section on the BPSC portal or contact its helpdesk.

References

A native to Muzaffarpur, writting productive things about Bihar from past 8 years.