if you already clone this project
create virtualenv
mkvirtualenv
you have to install dependencies first
cmd : pip install -r requirements.txt
generate raw sql using python manage.py makemigrations
then migrate to create table on django admin
cmd : python manage.py migrate
to run the server
python manage.py runserver
to work with payment gateway you have to pass merchant id and merchant key which is there in developer.paytm.com