There was fight between Russians [USSR] and Americans after second world war i.e. CAPITALISM vs COMMUNISM. Countries in and around USSR became communists. INDIA was neutral. USSR wanted to make INDIA a communist country. They availed services of MR. EVR. EVR cashed in on the loophole called 'Caste system' to sell India to Russian Philosophy.
THE PROOF IS GIVEN BY RUSSIAN INTELLIGENCE [not by Indian agencies)