Dr. Bhoopesh Kumar Sharma
Forensic Expert & Associate Professor
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2. Analysis of Obliterated Writings: Writings can be obliterated in number of ways. For instance, by using correction fluid and then over-writing, or by damaging the previous text and then over-writing or in any other such manner. One ink will be opaque and other will be transparent at certain wavelength. Therefore, by changing the wavelengths of IR radiation, it is possible to read the obliterated matter easily.