hi ravi
u dont get the output in gps , first find out the hardware or software problem
so u also postthe details of gps module and software source code
i just post most ocuurable mistakes
1.please check the gps and microcontroller ground must be shorted
2.check the baud rate calue
3.check for spreg resister value for the baudrate
4.programing delay is one of major problem in these type os gps project
please check all those thinks