Hi Hemang,
it is required than your device must connect to wifi
to get IP.
then to connect your device over wifi use following steps
connect your device with USB
Hit- adb tcpip 5555
o/p- restarting in TCP mode port:5555
Remove the USB cable
then Hit:
adb connect* IP of your device*:5555
[for iP > go to Settings > wifi > menu > andvance > Ip address]
Confirm that your host computer is connected to the target device:
adb devices