Important for Passport Holders...

If your passport is of Z series.

If your passport is in the serial number from Z000001 to Z073000.

You need to submit your Passport to the Passport office for
the cancellation.

For this following procedure need to be undertaken:

Log on to www.passport.gov.in

Fill up online form. Submit your original passport along with
online filled up form and address proof.

Passport office will return your new passports within a week
or two.

All this needs to be done on urgent basis.