104. Whoever, being under sentence of imprisonment for life, commits murder, shall be punished with death or with imprisonment for life, which shall mean the remainder of that person's natural life.
Section 102 Culpable homicide by causing death of person other than person whose death was intended
Section 103 Punishment for murder
Section 104 Punishment for murder by life-convict
Section 105 Punishment for culpable homicide not amounting to murder
Section 106 Causing death by negligence
Section 107 Abetment of suicide of child or person of unsound mind