To see the old version of SIS head to https://www.github.com/prateekprsrh-nith/SIS-dbms.
Steps to clone and get this to work along with laravel:
$ git clone https://github.com/prateekprshr-nith/sisnew.git
$ cd sisnew
$ composer install
To migrate the database tables, do your proper settings in .env file and run
$ php artisan migrate
$ php artisan db:seed
Happy Programming :)