We can provide you with some general best practices for data security that Vedbajaar Groceries Application can implement to protect its users' data:

1. Use encryption: Use encryption to protect sensitive data, such as user credentials and payment information. Use strong encryption algorithms such as AES (Advanced Encryption Standard) and ensure that the encryption keys are kept securely.

2. Implement secure authentication: Use strong passwords and multi-factor authentication (MFA) to authenticate users. MFA adds an extra layer of security by requiring users to provide additional information beyond just their password, such as a fingerprint or a one-time code sent to their phone.

3. Secure network connections: Ensure that all network connections, especially those involving sensitive data, are encrypted using secure protocols such as HTTPS and SSL/TLS.

4. Implement access control: Limit access to sensitive data to only those users who need it. Use role-based access control (RBAC) to ensure that users only have access to the data and features they need to perform their job functions.

5. Regularly update software and patches: Keep all software and systems up to date with the latest security patches and updates to ensure that any known vulnerabilities are addressed.

6. Conduct regular security audits: Conduct regular security audits to identify potential vulnerabilities and risks, and take appropriate steps to mitigate them.

7. Train employees on security best practices: Ensure that all employees are trained on security best practices and understand their role in protecting user data.

By implementing these best practices, Vedbajaar Groceries Application can enhance its data security and protect its users' sensitive information.