How to activate .htaccess file in apache 2.4.7

.httaccess file is same as the apache httpd.conf but if you made any changes in httpd.conf it will reflects on every project on apache, if you want to use only for specific websites use .htaccess file in that particular website root folder. 

Here is the Steps to Activate .htaccess file on Ubuntu 14.04 :

First Step
Open file as
sudo vim /etc/apache2/apache2.conf

Second Step
remove comment sign (#) if you find it before this line ( line number 187 approx.)
AccessFileName .htaccess

Third Step
Then find the line where there is
<Directory /var/www/> Options Indexes FollowSymLinks AllowOverrideNone Require all granted </Directory>
replace "None" with "All"
AllowOverride All 

Fourth Step :

add .htaccess file to root folder of your Website

in my case ---> /var/www/CDRTool/ folder

Last Step :

sudo a2enmod rewrite
sudo /etc/init.d/apache2 restart