We require features like header, footer, table of contents and cover page of pdf, which we want to generate from html/css. We tried WKHTML on windows and it worked like a charm
As I cant comment, here is the new Point 3 for the correct answer for Ubuntu 64 Bit. Thanks for the help @Rasikh Mashhadi
wget http://download.gna.org/wkhtmltopdf/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
tar xvJf wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
sudo cp wkhtmltox/bin/wkhtmlto* /usr/bin/