The document discusses the distinct roles of alibis and witnesses in the criminal justice system, emphasizing that an alibi serves as a defense strategy to prove a defendant's absence from a crime scene, while a witness provides firsthand testimony related to the event. It outlines the regulatory framework of alibis in Indian law, including the burden of proof falling on the defense to substantiate their claims. In contrast, witnesses are individuals who may be called by either side to testify, reinforcing the complexities of establishing facts in legal proceedings.

1. Alibi and Witness: Key
Differences
Introduction
The criminal justice system is a complex web of procedures, laws,
and principles designed to ensure fairness, justice, and protection of
innocents. Central to this system are two crucial elements: alibis and
witnesses. Both play pivotal roles in the process of establishing facts
and determining guilt or innocence, but they serve distinct
functions. In this article, we delve into the key differences between
an alibi and a witness, exploring their roles, significance, and impact
in legal proceedings.

2. Part I: Alibi — The Defense’s Shield
An alibi is a powerful legal defense strategy employed in criminal
trials. At its core, it aims to provide evidence that the defendant was
not present at the scene of the crime when it occurred. The term
‘Alibi’, as it is, is neither defined in the Indian Penal Code nor the
Indian Evidence Act, 1872. It was recognized as a Rule of evidence
under Section 11 of the Indian Evidence Act. Along with this, Section
103 of the Indian Evidence Act also deals with the Plea of Alibi. It
states that “The burden of proof as to any particular fact lies on that
person who wishes the Court to believe in its existence unless it is
provided by any law that the proof of that fact shall lie on any
particular person.” Here are the key aspects of an alibi:
Absence at the Crime Scene: The fundamental premise of an
alibi is that the defendant, at the time of the alleged criminal
activity, was located elsewhere. This absence is crucial to create
reasonable doubt in the minds of jurors or the presiding judge.
Establishing Reasonable Doubt: Alibis are introduced to raise
doubts about the defendant’s culpability. By proving that the
defendant could not have committed the crime due to their presence
elsewhere, the defense aims to undermine the prosecution’s case.
Corroborative Evidence: Alibis often involve presenting
corroborative evidence, such as witness testimonies, documents, or
surveillance footage, to support the defendant’s claim of being at a
different location during the alleged crime. This evidence bolsters
the credibility of the alibi.

3. Burden of Proof: In most legal systems, the burden of proving an
alibi falls on the defense. This means that the defense must provide
convincing evidence to establish the alibi’s credibility.
Challenging the Alibi: The prosecution, in response, may
challenge the alibi by presenting contradictory evidence or
undermining the credibility of the alibi witnesses.
Part II: Witness — The Eyes and Ears of the Court
In contrast to an alibi, a witness is a person who provides firsthand
knowledge or testimony related to an event or situation in a legal
proceeding. Here comes a question, ‘who may testify?’ The same is
defined efficiently under Section 118 of the Indian Evidence Act,
which states that “All persons shall be competent to testify unless
the court considers that they are prevented from understanding the
questions put to them, or from giving rational answers to those
questions, by tender years, extreme old age, disease, whether of
body or mind, or any other cause of the same kind.” Witnesses can
be called by either the prosecution or the defense, and they serve
various roles:
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