ccavenue payment gateway for magento
1.
The first step is to establish a CCAvenue merchant account.
Merchant Id/User Id
32 Bit Working Key
2.magento admin (http://go.magento.com/support/kb/entry/name/payment-methods-ccavenue/)
-From the Admin panel, select System > Configuration.
From the Configuration panel on the left, under Sales, select the Payment Method tab.
Click to expand the CCAvenue section. Then, do the following:
To activate this payment method, set Enabled to Yes.
Enter the following information from your CCAvenue merchant account:
Merchant Id/User Id
32 Bit Working Key
In the Payment from Applicable Countries list, select the countries where this payment method can be used:
All Allowed Countries: Customers from all countries in the default countries list can use this payment method.
NOTE: You can define which countries are listed in the default list by modifying the Allowed Countries field in System > Configuration > General > Countries Options.
Specific Countries: Customers from only those countries selected in the Payment from Specific Countries list can use this payment method. (The list appears when you select this option.)
To set the position of CCAvenue in the list of payment methods that is displayed during checkout, enter a numeric value in the Sort Order field.
When finished, click the Save Config button.
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ref: old website.