Jarnail Singh was born in Delhi in 1973. After a master's degree in political science from PGDAV College, he completed a diploma in journalism from the YMCA in 1994. He was special correspondent with Dainik Jagran, Delhi, for ten years, covering the fields of Sikh politics and defence. He has written extensively on the Sikh massacre of 1984 and its aftermath. He lives with his wife and two children in New Delhi.