How to Fill CAT Application Form 2025? Steps to Register, Last Date, Correction Window

Published by Planet E | MBA Entrance Experts

If you’re planning to appear for CAT 2025 to enter India’s top B-schools including the IIMs, your journey begins with filling out the CAT application form correctly and on time. A small mistake in the form can lead to the rejection of your application or even trouble during the admission process. In this comprehensive guide by Planet E, we’ll walk you through step-by-step instructions to fill CAT 2025 form, important dates, the correction window, eligibility, fees, required documents, and pro tips to avoid rejection.

📌 Table of Contents

1. What is CAT Exam 2025?

2. CAT 2025 Application Form Dates

3. CAT 2025 Eligibility Criteria

4. Documents Required for CAT Form

5. How to Fill CAT Application Form 2025? – Step-by-Step Process

6. CAT Application Fee 2025

7. CAT 2025 Correction Window

8. Common Mistakes to Avoid

9. Tips from Planet E Experts

10. FAQs on CAT 2025 Registration

What is CAT Exam 2025?

CAT (Common Admission Test) is the most prestigious MBA entrance exam in India, conducted by one of the IIMs every year. CAT 2025 is expected to be held in November 2025, and the application process begins in August 2025.

More than 2.5 lakh candidates register every year to secure seats in IIMs and other top-tier B-schools like FMS, SPJIMR, MDI, IMT, IITs, and more.

CAT 2025 Application Form Dates

Below are the tentative but expected dates for CAT 2025 registration and related activities:

✅ Pro Tip by Planet E: Don’t wait for the last date — fill the form within the first week to avoid technical glitches.

CAT 2025 Eligibility Criteria

Before you fill the form, ensure that you meet the CAT 2025 eligibility criteria:

• Qualification: Graduate in any discipline with at least 50% marks (45% for SC/ST/PwD).

• Final Year Students: Eligible to apply.

• No Age Limit.

• Number of Attempts: Unlimited.

Documents Required for CAT Form

Keep the following scanned documents and details ready before you begin the registration process:

📄 Personal Documents:

• Passport-size photo (JPEG, 30-70 KB)

• Signature (JPEG, 30-70 KB)

• Aadhaar Card or Govt. ID

• Category certificate (SC/ST/OBC/EWS) if applicable

• PwD certificate (if applicable)

📄 Academic Documents:

• Class 10 Marksheet

• Class 12 Marksheet

• Graduation Marksheet/Certificate

• Final Year Students: Provisional certificate or university letter

✅ Upload only as per specifications to avoid rejection.

How to Fill CAT Application Form 2025 – Step-by-Step Process

Here’s a complete step-by-step guide to help you fill the CAT 2025 application form:

🔹 Step 1: Registration

• Visit https://iimcat.ac.in

• Click on “New Candidate Registration”

• Enter:

  • Name (as per academic records)

  • Date of Birth

  • Email ID

  • Mobile Number

• Enter OTP for email & mobile verification

• Generate CAT 2025 Login credentials

⚠️ Ensure the mobile number and email ID are active till March 2026.

🔹 Step 2: Login & Fill Application Form

Use your system-generated User ID and Password to log in and fill out the full application.

Section-wise Breakdown:

A. Personal Details

• Name, Father’s Name, Mother’s Name

• Gender

• Nationality

• Category

• PwD status

B. Communication Address

• Full address with PIN code

• Emergency Contact Details

C. Academic Details

• Class 10, 12, Graduation

• Enter percentage/CGPA

• Final year students must mention status accordingly

D. Work Experience (Optional)

• Mention only full-time work experience after graduation

• Enter duration in months and employer details

E. Programmes & City Preference

• Select IIMs and courses (PGP, PGPBA, etc.)

• Choose 6 preferred test cities in order of preference

🔹 Step 3: Upload Documents

Upload photo, signature, category certificate, and PwD certificate as per specifications.

• Photo: JPG/JPEG, 30–70 KB, recent passport-size

• Signature: Black ink on white paper, 30–70 KB

• Category Certificate: PDF format, up to 300 KB

🔹 Step 4: Pay Application Fee

Use Debit Card / Credit Card / Net Banking / UPI to pay.

You’ll receive a payment confirmation and email with the CAT 2025 Application Summary.

CAT Application Fee 2025

✅ Fee once paid is non-refundable.

CAT 2025 Correction Window

If you made a mistake, don’t panic.

IIMs will provide a form correction window for a limited time in the last week of September 2025.

You Can Edit:

• Photograph

• Signature

• Test City Preferences

You Cannot Edit:

• Name

• Date of Birth

• Email/Mobile Number

• Category

⚠️ Planet E Suggestion: Double-check before submitting the form to avoid relying on correction windows.

Common Mistakes to Avoid

Here are the most common errors students make in the CAT application form:

🔍 Planet E Tip: Recheck every detail before final submission.

Tips from Planet E Experts

🎯 1. Use a Laptop/PC, Not Mobile
CAT form is best filled on a computer for stability and visibility.

📥 2. Save a Soft Copy of the Filled Form
Keep a PDF copy for future reference.

📧 3. Use a Professional Email ID
Avoid using funny or casual email IDs.

📅 4. Don’t Wait for the Deadline
Server crashes are common in the last week.

👨‍💼 5. Apply for Multiple IIMs
Choose as many IIM programs as possible while applying. You don’t have to pay extra.

FAQs on CAT 2025 Registration

Q1. What is the last date to apply for CAT 2025?

Ans: Expected to be September 15, 2025.

Q2. Can final-year students apply for CAT 2025?

Ans: Yes, provided they graduate before June 2026.

Q3. Can I edit my CAT application form after submission?

Ans: Yes, during the correction window, but only limited fields.

Q4. Do I need to send the hard copy of the form?

Ans: No. The process is entirely online.

Q5. What if I forget my CAT login ID?

Ans: You can recover it through the “Forgot User ID” option on iimcat.ac.in.

Final Words from Planet E

At Planet E, we’ve guided thousands of students through the CAT journey — from form filling to final selection in top IIMs. Make sure to avoid careless mistakes while registering. Start early, prepare wisely, and if you need help at any stage, our expert counselors are just a call away.

🌐 Visit www.planete.in to enroll in our CAT 2025 Coaching Programs – online and offline (Dadar & Thane).