Differences between Ordinary Witness and Expert Witness


1. Expert witness gives evidence of his opinion that is the ground on basis of which he has given his opinion.

Ordinary witness is a witness of fact and gives evidence of those facts which are under inquiry.

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2. The expert witness supports his evidence by the experiments which has been performed by him in absence of opposite party.

Ordinary witness is available to opposite party for veracity (truthfulness, accuracy, correctness, faithfulness, fidelity; reputability, honesty, sincerity, trustworthiness, reliability, dependability) (refer section 146)

3. The expert gives the rules and reasons which supports his opinion.
For example-
If a medical expert gives opinion on symptoms or after effects of a particular poison then he may also refer the book in support to his opinion, on the basis of which he has opined (suggest, comment, remark, declare.)

The ordinary witness gives evidence of what he has perceived by his senses

The major difference between these two types of witnesses is personal knowledge. Expert may use their knowledge or skill to draw conclusions whereas ordinary witness can base their opinion only on what they observed.

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