Thanks for all the help..
btw when the product price in cart is ZERO. & when the checkout in cart is clicked.. it takes to - Checkout then - confirm - then success.. So can we reduce the steps, only when product price is ZERO in cart..
When product price is ZERO.. it takes me to different gateways, i have made it exactly how you said.. all works.. everything is ok.. but just wanna reduce the steps .. i dont want users to type there address & etc..
so please help