Business intelligence tab missing in visual studio 2015

Step 1: - Open Visual Studio 2015 => Click on Tools => Click on Extensions and Updates

Step 2: - Extensions and Updates window form appear

Step 3: - Choose Updates tab

Step 4: - Choose Microsoft SQL Server Data Tools (SSDT) Update => Click on Update

Note: -

You will be redirect to Microsoft web site and SSDTSetup.exe download to your system.

Go to Download Directory => Click on SSDTSetup.exe => Click on Next

Accept term & condition => Click on Install

Installing...

Installed Successfully => Click on Close

Close and Open Visual Studio 2015 again.