RBI control foreign market by difference types of operation. The Reserve Bank of India and its allies now intervene occasionally in the foreign exchange markets not always to support the rupee but often to avoid an appreciation in its value. also analyzed the relation between Indian Rupee & Japanese Yen. In the subprime time Indian rupee devaluated against Japaneese Yen. Japaneese FDI come in to India to invest in the various project and also analyzed behavior of FDI, FIIs, ECB during post subprime time.