What should I do if my passport has expired but my visa has not expired in Russia?

If your passport in Russia has expired, but your visa has not expired, you can take the following steps to solve the problem:

1. Contact your embassy or consulate in Russia: explain your situation to them and provide necessary certificates and documents, such as passports, visas, valid identity documents, etc.

2. Consult the Russian Immigration Bureau: Consult the relevant regulations and procedures of the local immigration bureau to find out whether a new passport can be issued in Russia.

3. Preparation of relevant materials: According to the requirements of the Russian Immigration Service, prepare relevant materials, such as application forms, photos, identification certificates, etc.

4. Submit the application: submit the application form and materials to the Russian Immigration Bureau as required.

5. Waiting for processing: Wait patiently for the processing result of passport application according to the processing time of immigration bureau.

Please note that the above steps are for reference only, and the specific operation may be different due to personal circumstances and regional policies. Therefore, I suggest you contact the relevant agencies as soon as possible to ensure that your problem is solved correctly.