Normally, the details of staff in any company can be retrieved by the police because the company will seek all the details, including their contact information, PAN card, bank account, passport, etc. In the case of workers, especially contractor workmen, the details may not always be correct. That's the reason the police insist on filling out Police Verification Forms for all the workers and attaching an address proof photo ID to support the address provided by the worker. If the proof is not available, the concerned contractor or subcontractor must provide a declaration stating that the worker is a resident of the address of workmen, working under me, and I have known him for ____ years. Furthermore, the contractor will take complete responsibility for all deeds in the area of jurisdiction.
This is made compulsory under Sec-144 of CRPC, and its violation amounts to the registration of a cognizable offence under Sec 188 of IPC.