1) the foreign marriage can be Registered under the Foreign Marriage Act,1969 in Russia (before the Indian High Commission and or before the Indian Consulate Generals Office as the case is)
2) In case a marriage between an Indian and a foreign national is to be registered in india , generally its required to file a notice of intended marriage with a Marriage Registrar in Allahabad . That notice is required to be published for the stipulated 30 days. At the end of the 30 days the Marriage Registrar is free to perform the marriage.
The notice of intended marriage can only be given in India, if at least one partner is permanently and the other partner temporarily resident in India.
After the stipulated waiting period of 30 days the marriage can take place in India. Under the Special Marriage Act, 1954 a certificate showing the signatures of the persons married, the registrar and the witnesses will be issued. This Certificate is required as proof of the marriage and when applying for a visa to for a foreign country.
The following documents are required for both the partners:
a valid Passport
original Birth Certificate showing parents' names