Joomla+Virtuemart

We need some components to be developed for joomla+virtuemart, below are the details on what we want………. 1. Payment gateway component for VirtueMart • Should be integrated with ccavenue payment gateway. • Email and invoice should be generated only when the user makes successful payment at ccavenue and returns back to our domain. • Here the stock number should be decreased only upon successful payment. 2. SMS notification component for virtuemart • Should be integrated with [login to view URL] • Should be able to send sms automatically to the user and to the admin when the user make a successful payment. • Should be able to send sms automatically to the user and to the admin when the admin changes the order status in virtuemart. • Should be able to turn on or off the option of sending an automatic sms to admin or user for various order status updates. • Admin should be able to send bulk sms to the registered users on the site and even sms to particular user. • Admin should be able to check the sms balance in the joomla backend. • Component should support Unicode characters. 3. One Page Checkout Component • Please find the attached image for clear picture on this. 4. Add to cart button plugin • Would require the functionality of [login to view URL] 5. Stock Inventory Control • Should be able to enter the stock values for the different attributes created in the backend. 6. Vote and Submit a Design Component • Would require the functionality of [login to view URL] Note: Currently we are using Joomla version : 1.5.23 and Virtuemart Version : 1.1.9