The minister wrote separate letters in this regard to the Principal Secretary, Urban Development, and the Secretary, Minority Welfare, officials said.
Khan had asked all employees of both his departments and their associate organisations, except those in class IV, to declare their, their spouses and dependent sons and daughters movable and immovable properties, bank deposits and benami assets.
In case, they did not declare their assests within 15 days, the Economic Offences Wing would be asked to look into the matter, he said.
The copies of the letters had been sent to the Chief Secretary and the Principal Secretary to the Chief Minister.