SOLUTION
Did some hit and trial and finally got my BCM4313 to work.
None of the Previous threads directly related to BCM4313 helped so here I am mentioning my steps.
Firstly went over to Synaptic Package Manager
>Remove all the Installed Packages related to BCM & BCM 43 // Do check STA in Additional Drivers is deactivated if not please do so before Removing Packages
>Then check whether bcma is blacklisted ( in file /etc/modprobe.d/blacklist.conf ) if not then type in terminal
Code:
echo "blacklist bcma" | sudo tee -a /etc/modprobe.d/blacklist.conf
>Similarly check whether brcm80211 is blacklisted ( in file /etc/modprobe.d/blacklist.conf ) if not then type in terminal
Code:
echo "blacklist brcm80211" | sudo tee -a /etc/modprobe.d/blacklist.conf
>Reboot
>Goto Synaptic Package Manager
In search simply type bcm43 ( to easily find all the Packages required to install )
Select the Following Packages for installation ( latest version )
1)bcmwl-kernel-source
2)broadcom-sta-common
3)broadcom-sta-source
4)firmware-b43-installer
It will prompt for additional packages required simply accept them too.
>Reboot
This time round No Wifi is being displayed in the Network Section and if you check
It also won't be displaying the wifi card will display bluetooth only ( if any )
>Goto Additional Drivers
Activate Broadcom STA
By now your Wireless would be active and ready to connect but still on the safer side
>Reboot
Now if you check Synaptic firmware-b43-installer won't be marked as installed // Mentioning just in case you face with any problems can apply your own Hit and trails.
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