Use Credit Cards...Carefully

Presumption : Smartness.

Advantages :

1. Save Money
   Cash Back, Reward Points, Varios deals...different means to same end.
2. Convenience & Quick
   Cash Less Transaction, Online Cancellations of Tickets. Time-value-of-money is u count.
   
3. Environment Friendly
   U save a lot of Paper.

Precautions:

• Only for the Literates
  Those who can read fine print
  
  1. Interest Rates
  2. Credit-Free Period
  3. Late Payment Fees
  4. Mode of Re-payment : If Cheque Drop boxes at ATM r abundant
• Not for the carefree
  So that chances of it getting lost/stolen are minimal

More analysis
Find Card that suits u
Plenty of web-sites to help u do that
example

• If u spend a lot on petrol....have Citi-Indian oil card
• MOvies : StanChart Manhattan Card
• Shopping : HDFC-Spencer card
  Basically go for TIE-UP cards