Are you paying for Internet separately for Laptop, PC and mobile phones? Get one connection and share Internet to other devices. Here are the following steps to share Internet from your Laptop.
1. Run CMD with administrator rights.
2. Type these commands with one followed by another
(i) netsh wlan set hostednetwork mode=allow ssid=NAME key=PASSWORD
(ii)netsh wlan start hostednetwork
(the name and password could be anything as you desire)
3.Type ncpa.cpl in the RUN command.
4. Choose the internet network you normally use. Then double click and navigate to properties and then to the sharing. Check the box and choose the network that corresponds to the network you just created.
5. Click OK and done.
6. A WIFI network would be created and you can use it to connect to the internet in your Android device.