How to Configure TP-Link Wifi Modem router for BSNL Broadband

Using TP-Link model TD-W8151N
Check bottom of device for info about default username, password and ip address.
Connect to device either with wifi or lan cable.
open brower and enter ip address of device.
enter password and username to access admin area.
here check under "INTEFACE SETUP" "INTERNET"
there set following values
VIRTUAL CIRCUIT : PVC2
VPI = 0
VCI = 35
ATM QOS = UBR
PCR = 0
ISP = PPPoA/PPPoE
USERNAME AND PASSWORD : AS PROVIDED BY BSNL
BRIDGE INTERFACE : DEACTIVATED
CONNECTION : ALWAYS ON
LEAVE THE REST AS IS.

UNDER "LAN"
ENSURE DHCP IS ENABLED
LEAVE THE REST AS IS

UNDER WIRELESS
IF WIFI IS NOT NEEDED, SET ACCESS POINT TO DEACTIVATED
IF WIFI IS NEEDED, SET ACCESS POINT TO ACTIVATED.
SELECT AUTHENTICATION = WPA-PSK
SET A PASSWORD IN PRE SHARED KEY
LEAVE THE REST AS IS

SAVE SETTINGS

TO BROWSE, IF USING WIFI, YOU WILL BE ASKED FOR THE PASSWORD ENTERED EARLIER. IF USING LAN CABLE, YOU ARE READY TO SURF.