the official round seal “STAMP DEPARTMENT, CUDDALORE”. Ext.B3 communication from the Treasuries and Accounts Department, Cuddalore, obtained under the Right to Information Act indicates that the aforesaid official round seal came into force only after 27.03.2000. Therefore, on the date of Ext.A1 viz. 02.05.1996 such a seal mark cannot find a place on stamp paper of Ext.A1. From Ext.B3 it is further evident that on the date of Ext.A1, the official seal that was in force was “STAMP DEPARTMENT SOUTH ARCOT”. The evidence of PW3, who was examined to prove Ext.A5 document claimed to have been executed by him on 03.09.1999, which also bears the official round seal “STAMP DEPARTMENT, CUDDALORE” was rightly rejected by the trial court. The stamp paper of Ext.A5 shows that the vendor of the stamp paper is one Bakthavalsalan. But Ext.B6 list of stamp vendors indicate that there is no such vendor in Cuddalore. 5. Ext.B7 Gazette Notification shows that South Arcot District was changed as Cuddalore District with effect from 01.07.1997. Therefore, the