Bar u/s 468 crpc & 173 crpc

In a Case of Extorton

{A}  The letter made on { For Extortion }    on                      10.03.7995

{B}  F I R Against accused on                                           01.06.1997

{C}  Period of 3 years Expires on                                         09.03.1998

{D} Police Filed FR in "Lack of evidence" (u/s 173 CrPC)       05.08.1997

( With a Coment that to prove the Handwritng of accused the documents have been send to FSL }

{E}  Court accepted the FR                                                    01.09.1998  

( Police did not submit the above said report to court and

took tresh Samples of Handwritting on                                    20.09.1998}

{F} Chalan u/s 384 IPC by police (u/s 173 CrPC)                      09.11.1999

In Such a stage whether the "Bar" u/s 468 Cr P C is applicable in this case or Not.

As well as reinvestigation barred u/s 173 CrPC is applicable here or not ?

Regards