19. Having noted the aforesaid public purpose in granting parole or furlough, ingrained in the reformation theory of sentencing, other competing public interest has also to be kept in mind while deciding as to whether in a particular case parole or furlough is to be granted or not . This public interest also demands that those who are habitual offenders and may have the tendency to commit the crime again after their release on parole or have the tendency to become a threat to the law and order of the society, should not be released on parole. This aspect takes care of other objectives of sentencing, namely, deterrence and prevention. This side of the coin is the experience that great number of crimes are committed by the offenders who have been put back in the street after conviction. Therefore, while deciding as to whether a particular prisoner deserves to be released on parole or not, the aforesaid aspects have also to be kept in mind. To put it tersely, the authorities are supposed to address the question as to whether the convict is such a person who has the tendency to commit such a crime or he is showing tendency to reform himself to become a good citizen. ”