Dhamal Chavda's army was made of different warrior clans such as Chavda, Rathod, Chauhan, Jadav, Jhala, Gohil, Varsur, Makwana, Dabhi, Khimsurya and Solanki.
Contributors to OPEN include Stephen Banham of Letterbox Design, Adam Ferrier of Naked Communications, Sudeep Gohil of Droga5 and Micah Walker of The Monkeys, whilst the books foreword is by Todd Sampson of Leo Burnett Australia.
It was built by the Gohil Emperor Ranji Gohil and was ruled by the Parmar clan of Rajputs and by King Halaji Parmar, a Muslim king, who separated from the Muli Princely State in Surendranagar district and converted his religion from Hindu to Muslim.