Yes, you can apply for the RBI Grade B Exam even if you do not have a scanned copy of your photograph or signature. However, it is important to note that you will need to provide these documents at a later stage of the application process. Here is a detailed explanation of the process:

Step 1: Fill out the online application form
- Visit the official website of the Reserve Bank of India (RBI) and navigate to the "Recruitment" section.
- Look for the RBI Grade B Exam notification and click on it to access the application form.
- Fill out all the necessary details such as personal information, educational qualifications, and contact details.
- Upload any other required documents such as proof of age, educational certificates, etc. If you do not have a scanned copy of your photograph or signature at this stage, you can proceed without uploading them.

Step 2: Pay the application fee
- After submitting the application form, you will be directed to the payment gateway to pay the application fee. The fee can be paid online using various payment methods such as debit card, credit card, or net banking.
- Make sure to complete the payment process successfully.

Step 3: Uploading photograph and signature
- After the successful payment of the application fee, you will receive a registration number and password on your registered email ID and mobile number.
- Log in to your account using these credentials and navigate to the "Upload Documents" section.
- Here, you will be required to upload a scanned copy of your photograph and signature as per the specifications mentioned by the RBI.
- Make sure to follow the guidelines regarding the size, format, and resolution of the scanned documents.

Step 4: Final submission of the application
- After uploading the photograph and signature, review the entire application form to ensure that all the information provided is accurate and complete.
- Once you are satisfied with the details, submit the application form.

Conclusion
In conclusion, while you can apply for the RBI Grade B Exam without a scanned copy of your photograph or signature, it is essential to provide these documents at a later stage of the application process. Therefore, make sure to complete the uploading process within the specified time frame to avoid any disqualification or rejection of your application.