What is SIP

http://mutualfundspecialist.blogspot.com/2011/05/sip-for-beginners.html

Fractional Reserve Banking (How today's Banks works)

Clink the Link to study

http://en.wikipedia.org/wiki/Fractional_reserve_banking

Daunting exercises for checking inflation

Check the link and analyze it para wise.

http://www.thehindu.com/business/Economy/article2604533.ece

Currency Devaluation and Revaluation 

Click the Link to Study