title: How to create a custom credit card payment module in magento 1.7
body: <p>I am using magento 1.7 and want to create a custom credit card module for magento 1.7.
  How can I code for this.</p>
  
  <p>I am very new with magento and I am trying to create credit card payment method for ICICI bank.</p>
  
  <p>Please guide. Any web link or sample code would be highly appreciated.</p>