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Abstract
Handwriting is unique , exclusive and each individual’s writing style is distinctive in its own way. Now days we can say that handwriting is a resource of recorded data or information and after modernization period; languages are the indicating symbols for the system and the most important part of it is he writing. Handwriting is personal and each person’s have unique style by which we can identify the interactions of a human’s brain and eye. It is the most common way to know the person’s physical state, any kind of taking alcohol or drugs, its age, the force of the writing tool and environmental factor. Handwriting is vary from person to person no two person whether the twins also doesn’t have the same handwriting. The style of writing of each person can change throughout his life. In forensic or any kind of investigations it may uses as the evidence, clues to identify the writers. The aim of this research is about the study of effect of the age factor of retention of individual’s handwriting and signature over taking a time period of two to ten years. Here the samples of 50 past handwriting and signatures which compares to the present of those individual. The people are sound healthy by which we can easily compared. Firstly, the magnifiers were used comparison microscope to examine the individual’s characteristics of their handwriting. Then analyse the handwriting and characteristics on the basis of samples which shows the causes of deviation.