How to Setup Netgear wireless Router with Airtel Beetel 200BX modem

Setting up netgear wireless router with Airtel modem Beetel 220BX. Connect all the cables in router and modem according to manualtype 192.168.1.1 in browser addressbar.Login using your username and password. Defaults are admin and password.Click on LAN in the left screen.Click on disable DHCP server and save settingsNow click on WAN.There will be a service called PPPoE in right pane . Click on