wireless rf (USING TWS 433 Mhz AND RWS 433Mhz) DATA COMMUNICATION

I Am Doing A Project For Wireless Data Acquisition System For Electrical Energy Meters ... Using Atmel Microcontroller (89c52).. Can Some Body Help Me In How To Go Bout.
Here I Am Doing A Protype...i Just Wanna Send Readings Frm Comsumer Side To Remote Side ..whenever Remote Station Requests For The Same...the Communication Is Both Ways But Only One Is Transmitting At Single Point Of Time.
So Plz Guide Me.i Have Only 2 Weeks Of Time Left Wid Me...i Wanna Know The Code Also...plz Help..


I Will Be Vry Much Great Ful To U

erm... well we all use Microchip PIC and Melabs Picbasic Pro or not here

Sorry :(

How much you willing to pay for time and code ?