So-called hard pegs, including currency boards and dollarization, may draw credibility from various institutional impediments to changing the rate; but even full dollarization can be reversed, as Liberia proved in 1982.3 Floating exchange rates cover an even wider range of policy behavior than fixed rates - from full reliance on the foreign exchange market for the determination of the exchange rate to a carefully managed float.
  Due to the constraints involved in going for a full-fledged brick & mortar branch model, RBI has adopted the ICT based agent bank model through Business Correspondents for ensuring door step delivery of financial products and services.   The approach adopted has been technology and delivery model neutral, whether through handheld devices, mobiles, mini ATMs, etc.