Step 1 :
Steps to resolve the below mentioned Error occurring while making the online payment !

Step 2 :
Go to the Tools Menu & Select Internet Options


Step 3 :
Once u click on the Internet Options u will be presented with a window with several Options as depicted below


Step 4 :
Go to the Privacy Tab in that window

Step 5 :
Click on the Advance button

Step 6 :
Once u click on the advance button u will be presented with a Child Window with few options as depicted below

Step 7 :
Select the OVERRIDE AUTOMATIC COOKIE HANDLING & ALWAYS ALLOW SESSION COOKIES OPTION AS DEPICTED BELOW & CLICK OK !

Step 8 :
Click OK Button to return to the Internet Explorer

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FINAL PAYMENT SCREEN : 
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Generate a New ORDER & TRY to MAKE ONLINE PAYMENT !!
U will be presented with the below SCREEN DEPICTED !