His department was making efforts to increase the conviction rate to 90 percent, Khan added.
The cases of disproportionate assets were increasing, and they outnumbered the 'trap' cases (where a person is caught red-handed while taking bribe), Khan noted.
"To strengthen the organisation, ACB will take help from CBI to use highly sophisticated technology," he said.
Asked about the probe of cash-for-vote scandal involving TDP MLA Revanth Reddy, Khan said some more reports were awaited from the Forensic Laboratory.