my mother had passport in 1981 which she lost she made a new passport in 1986 and went out of india for 3 -4 years. when she came back she found her old 1981 passport. she renewed her old passport in 1992 but never used that passport.she used her new passport always. new passport was renewd in 1996 and 2006. now she made a application for renewal in 2016 . the authories have found out that she had another passport also which was renewd in 1992. the old passport was lost in 2006 in floods. the passport office is asking where is that passport. what to do now.? they have told to go to old issuing office and get something written plz help