1) Finger print not capturing in device / Device not found in Sample App
A] First check in control panel there is Bioenable_FP_VDM_For_AADHAR_Enrollment app and Greent Bit Universal Driver 2.76 should be install perfectly.
Here is the link of Bioenable_FP_VDM_For_AADHAR_Enrollment app
and Greent Bit Universal Driver 2.76
B] Download Sample App and check finger is capturing in Sample App perfectly.
Here is the link of Sample App
C] If still finger is not capturing in device then reconnect the USB cable, clear the dust on scanner and check once.
D] Otherwise need to send device to our national service center for repairing purpose.
2)If Bioenable_FP_VDM_For_AADHAR_Enrollment app and Greent Bit Universal Driver 2.76 is not install then please refer below link
3)Device is not functioning
Device need to repair in our National service center.