The applicant is not expected to take initiative about police verification. But once you receive a message from police you must assist in providing all info about the references you have mentioned. You may even be asked, though not justly so, to go to police station with the references and record their statements. Police is over burdened with lot of work and the least one should do is to help them save time.The issue of passport is normally not dependent on police verification. You get information about the date of visit to Passport Seva Kendra PSK on line. Visit their office as indicated with all the relevant documents. It will save you a second visit.Normal time for receiving Passport may vary from two to four weeks.