Build me an app along with website

I want to start an app based ambulance service in West Bengal,[login to view URL] types of users can use [login to view URL] will work like any online cab service.1st service will be used by the service seekers and the 2nd side can be used by ambulance [login to view URL] can be done only before the ride only through online or [login to view URL] party can sign up using valid mobile no or email [login to view URL] drivers sign up necessary .documents such as driving license,vehicle registration certificate ,valid insurance certificate will be [login to view URL] a customer post a requirment of an ambulance using his location necessary offers will be sent to nearby ambulance [login to view URL] driver will accept he will go the pick up point and ensure his [login to view URL] driver must include how many mms he has run from his offer getting location to pick up [login to view URL] it is within 7km then no extra cost will be [login to view URL] total km and the net chargeable amount must pe paid by the service [login to view URL] will be less if it is round trip .When the driver will post he must ensure whether it is round trip or [login to view URL] the successful payment driver would start with patient and his [login to view URL] app can be used from any [login to view URL] it is necessary to show all the location in west bengal when the users or driver will try to set their starting and ending [login to view URL] the owner of the app we must be able to set the [login to view URL] be able to see how many rides have been made,which drivers have made the ride,how they are paid online or [login to view URL] app must be enabled to receive online [login to view URL] the same time I must be able to pay drivers share of those payments which are made using online.