BSNL EVDO UE100/ PRITHIVI with TP-Link MR3420 WiFi Router

Installation steps 

1.Plugged in the cables , power and USB modem

2. To configure open browser type address 192.168.0.1

3. quick setup > select 3G/4G only> Fill in the username , password and dial number #777
leave the APN BLANK

4. enter SSID and password details , you are done

5.  It connects automatically to internet, provided your credentials are right.