handling multiple client requetts independenly

Question

I'm developing a  asynchronous multiple client server application using tcp sockets in c#... i have to multiple clients connected over wifi and each client sending different type of data(file,image,video, voice) ... now i need to develop a server application that accomodate all request independenly.... how can i identify multiple client connections and which client is sending what data and how then process it in a single server application code.
i need help to resolve this...