Hi guys thanks for your reply,
According to paypal i modified the payUmoney payment gateway. It is completely different i done half part of the payUmoney shows in ( below image......). Here the problem is there are different parameters in payumoney e.g: merchant key,salt id,user name...etc., are send from our URL to Payumoney URL. If the payment is success it return back to the destination URL in our site.
I done this part, the success URL is coming it reach destination URL, again shows the same payment option........
If any one done please help me to solve this issue.......
