IN KHAKI FILES, NEERAJ KUMAR, A FORMER DELHI POLICE COMMISSIONER REVISITS MANY SUCH HIGH PROFILE POLICE CASES OF HIS CAREER -FROM INVESTIGATION OF ONE OF THE BIGGEST LOTTERY FRAUDS IN THE COUNTRY TO FOILED ISI ATTEMPT TO KILL TARUN TEJPAL AND ANIRUDH BEHAL OF TEHALKA-BRINGING TO LIGHT NUMEROUS ACHIEVEMENTS OF THE COUNTRY S POLICE FORCE, OTHERWISE LARGELY REVILED AND RIDICULED.