Wifi connection frequently disconnect in ubuntu

I am using ubuntu 14.04 LTS OS in my Laptop. I am using idea broadband connection with binatone router.I am using wifi but whithin 5 to 10 minute wifi connection discoonect automatically and after reboot it connects again and after sometimes again disconnect automatically.I have searched over google and ubuntu forum also applied solution people has given in forum but still problem is not solved.Please help me

Which WiFi card you are using??

You must use the WiFi Proprietary Drivers for Linux from your hardware provider.

I shall help you to solve the problem…

Hi Gopal,

I am new bie in linux. How to check WiFi card which i am using? and how to install Proprietary Drivers?

First check the currently loaded WiFi drivers with the help of lshw command as shown.

sudo lshw -C network

This is what I get after running above command in my Linux Mint 17.2
description: Wireless interface product: RTL8723BE PCIe Wireless Network Adapter vendor: Realtek Semiconductor Co., Ltd.
Regarding Wifi driver installation, I hope this guide will help you out..

https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide/Drivers

Hi ravisaive

description: Wireless interface
product: RTL8723BE PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: 00
serial: c0:38:96:72:bd:cf
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
I have above wireless configuration.Is anything missing?still probem exists

RTL8723BE PCIe Wireless Network Adapter

this is my wireless card adapter