Applying for the Railway RPF Sub Inspector (SI) exam involves an online application process through the official website. Here’s a step-by-step guide:

1. Check the Official Notification

• Visit the official Indian Railways website or the RPF recruitment portal when the notification is released.
• Read the notification carefully for eligibility criteria, application dates, and guidelines.

2. Prepare Required Documents

Before starting the application process, ensure you have the following:

• Passport-sized Photograph: As per specifications mentioned in the notification.
• Signature: Scanned copy of your signature.
• Educational Certificates: Degree certificate or proof of passing graduation.
• Category Certificate (if applicable): SC/ST/OBC/EWS certificate.
• ID Proof: Aadhaar Card, PAN Card, Voter ID, or similar.

3. Registration Process

• Step 1: Visit the official website: Indian Railways https://indianrailways.gov.in/ 
• Step 2: Click on the link for "RPF SI Recruitment" or "Apply Online".
• Step 3: Complete the Registration by providing:
• Name, Date of Birth, Email ID, and Mobile Number.
• Create a password for future login.

4. Fill Out the Application Form

• Login using the credentials you created during registration.

Fill in personal details such as:

• Name, Gender, Nationality, Marital Status, Address, etc.
• Provide academic qualifications and upload scanned documents (photo, signature, certificates).

5. Select Preferences

• Choose your zone or region preferences for the posting.

6. Pay the Application Fee

Application Fee:

• General/OBC Candidates: Typically ₹500.
• SC/ST/Ex-Servicemen/Female Candidates: Usually ₹250 (refundable after appearing in the CBT).

Payment Modes:

• Online: Debit/Credit Card, Net Banking.
• Offline: Challan (if applicable).

7. Submit the Application

• Review all the details carefully before submitting the form.
• Once satisfied, click on Submit.
• Take a printout of the application confirmation page for future reference.

8. Admit Card

• Admit cards will be released online for eligible candidates after the application process ends. Keep checking the official website for updates.

Tips for Applying

• Double-check eligibility before applying.
• Use a reliable internet connection to avoid interruptions during the application.
• Note down your registration number and password for future login.