If you require money to transfer to someone’s account, RTGS is ,as you are already told , the fastest bank account transfers of fund. Not every bank has the facility of RTGS and not every branch of a bank has the RTGS facility. Therefore,one of the hurdle comes to mind while planning to transfer funds online , whether the bank branch in which you want to transfer , is having the facility of RTGS.
Here is the solution . Get the RTGS enable bank branch list in XLS file format and see if the bank branch has the RTGS enabled.