Which one of the following fundamental rights has not been provided to a person?
A. Protection against prosecution and punishment for the same offence more than once
B. To refuse to give his/her sample of handwriting as evidence to support a prosecution against him/her
C. To act as a witness against himself/herself
D. Right not to be convicted of any offence except for violation of a law in force at the time of commission of the act charged as an offence