Need to know how to start up with a mobile recharge website like the one of sms achariya :?

These days its one of the buzzing question among the people dealing the telecommunication industry, that how to start up with a business recharge portal something where in people : clients can process recharge and pay off the utility bills etc though a simple app running over the mobile phone.
The first and the basic thing to start off with a B2B portal is arranging the source from where in you can get the value : recharges for the telecommunication operators and utility bill providers.
The sources can be either API of the operators or you can start off with setting up your own Recharge Server at your own location and then get the portal connected to the server located at your place.

Now the big question which arises from where to arrange the API solution : or from where to buy the server and the above all whom to contact for developing the recharge portal for getting the things started off..!!
A Big Confusion and above all who are the trusted suppliers.. so many questions and answer to all the confusions is like endless talks by endless industry tech starts up stating and offering solutions as per their convenience rather than what you exactly need!!

One of the trusted provider for all the above solution is Team Sumangalam Jaipur : (An ISO 9001:2008 Certified Company ) offering innovative solution since their inception in 2007 to clients in 5+ countries in world.
Team Sumangalam is the Leaders in Mobile Recharge Servers and the best solution providers for telecom industry : well integrated recharge portals with single wallet balance API’s : Dedicated Longcodes : SMS API’s : Email : Auto calculations of commissions : Apps : desktop applications as per your need under one single roof