I am using this site for payment gateway since 1 year this is the most easiest and affordable gateway in india I think so. they are giving best service in very short of time.
you can have two account as one as a buyer account and another as a seller account from where one can sell there product online from there site.
it is an indian company whose outherized centre is in new delhi.
it will be design as beautifull that it can be used by any person.
when you use this gatway in your website it will be very easy to get payment from your coustomer.