Default Baseband unknown in micromax a120

help me please....... i have accidentally removed pttycmdl file during rooting my device... now i am getting imei invalid in my phone... also this problem is not fixable with mtk tools or any other software as the baseband files are erased too.. please help me how i can get these files... i forgot to create any backup for my device..... my phone has become a 5 inch tablet without any calling facility... please help...!!!