Find out whether your question or appeal the functions performed by the Consul. It should address a letter, the contents of which is associated with obtaining visas for foreign citizens. And before writing to the steering worker, you must first apply in a General manner and only in case of unwarranted from your point of view failure to contact the Consul. The Consul of the state to write in that case, if you encounter any problems outside of Russia, at the level of the ordinary staff of the Embassy of your questions can be solved.
Compose a letter to the Consul. It is possible to write in paper and in electronic form. Start the design with the name of the institution that is the Consulate in which you write, and the name and title of person to which you are applying. Then write the main text. Try to be less emotional, based on the facts, and if the enable legal knowledge, and specific legal provisions which, in your opinion, were not met in your case. Complete the letter with the goal that you want to achieve - a review of the decision to issue a visa, the acceleration of the execution of any documents. To the email to confirm your point of view, attach additional documents. For example, if you are refused a visa, you can add to the main text of the necessary documents proving your intent and ability to pay.
Send an email to the Consul. When using the services of Russian post send a registered letter with return receipt requested - so you can be sure that it reached the Consul, or at least to his Secretary.