Kumar said:It may be good to change the(worn out) mind also alongwith. But why mind do not remains similar on cloning?
The mind is not genetically programmed: it is the sum of one's lessons and experiences since birth. (Though it may be that some basic aspects of one's temperament, and one's innate IQ, are set by genetics). Recreating the body from a DNA template will not reproduce the mind - any more than building a new computer from the blueprints of an old one will automatically duplicate all its software and hard disk data.
That said, the information stored in a computer can be duplicated easily. One day, the same may be possible with human brains. Though this is far from certain - for all we know at this time, each individual brain may have its own unique system of neural "encoding" which will have to be deciphered from scratch, like a whole new programming language. Brains are undoubtedly far less standardized in design than machines.