The significance of the written material in civil and criminal litigation is generally depend on the authorship or origin
of the document. Task of examination and comparison is more complex than it may seems to be, when a person changes the
writing attributes of his/her signatures by using deliberately modification of complete alteration in the form of allographic style
of handwriting which falls in the will full manner of disguise signature. Many people may have the same name but no two
person have identical signatures. The fact that a person writes his/her signature so often means that it is deeply engraved on his
subconscious.
