Here I will show you PTCL setting for internet step by step.
Modem Settings for broadband in ptcl tenda w150d modem
1st Step: Open your internet browser and type your router address or click here 192.168.1.1
It will show you pop-up asking about username and password. Type "Admin" in username. And see your router password at back of router and type in password section.
ptcl router configuration w150d