Select the setting option in mobile phone.
in 2nd step select the other wireless connection option.
In 3rd step Select the personal Hotspot option.
in 4th step enable the personal Hotspot .and the password is used in laptop.
In 5th step open the Wi-Fi option and Then mobile Name will appear . Select the Connect option.
In this step enter the password of mobile Hotspot. And then press next option.
When password is entered correctly . in next step select the Yes option . And your laptop is connected with your mobile internet.