Digital Image and Spectral Analysis of Foreign Currency Notes - A Case Report

Abstract

The state Tripura is located in the NE- region of India almost surrounded by neighboring foreign country Bangladesh. As per record 856 kms stretches having international borders. Considering the topography, the boarder crimes like circulation of FICN (Fake Indian Currency Note), foreign currency, gold, drugs, explosives, fake passports are frequently encountered in different cases. The boarder is also guarded by the BSF and customs officials to check various illegal activities. In one case, the customs officials detained one person carrying some Bangladesh currency illegally. On interrogation, more information was revealed leading to search of his house. In the course of search, huge amount of Bangladeshi Taka was recovered. The disputed foreign currency was received for forensic examination to establish the genuineness. The various examinations like physical, spectral, microscopic, digital image analysis were conducted comparing different security features with genuine Bangladesh currency notes. The different examinations of foreign currency notes conclusively established to be genuine notes. The details have been discussed in this paper.