Padma Shri Prakash Singh is a retired Indian Police Service officer, who rose to the highest rank of Director General of Police (DGP). He has served as Chief of the Border Security Force (BSF), Uttar Pradesh Police and Assam Police. He is considered one of the best police officers for his role as key architect for Police reforms in India. Author of "Irregular Warfare: The Maoist Challenge to India's Internal Security", "India's Northeast: The Frontier in Ferment", "Kohima to Kashmir: On the Terrorist Trail"