The Reserve Bank of India (RBI) seal is pictured on a gate outside the RBI headquarters in Mumbai July 30, 2013. India's central bank left interest rates unchanged on Tuesday as it supports a battered rupee but said it will roll back recent liquidity tightening measures when stability returns to the currency market, enabling it to resume supporting growth.  REUTERS/Vivek Prakash (INDIA - Tags: BUSINESS LOGO) - RTX124GY