Best judgment assessment principle bars penalty where turnover is based on disclosed books and statements, not estimate alone.

Penalty under section 12(3)(a) of the Tamil Nadu General Sales Tax Act, 1959 was held inapplicable where the turnover was determined from the assessee's statement and the books of account produced before the assessing authority. The court treated the distinction between an estimate based on books and an assessment directly based on books as illusory, and held that such an assessment is not a pure best judgment assessment. As the case did not fall within the best judgment category, the penal provision could not be invoked and the penalty was unsustainable.

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Issues: Whether penalty under section 12(3)(a) of the Tamil Nadu General Sales Tax Act, 1959 was attracted when the assessment was made on the basis of the statement and the books of account produced, and not as a pure best judgment assessment.

Analysis: The assessment order and the material considered showed that the turnover was determined from the statement filed and the books of account available with the assessing authority. The distinction drawn by the Tribunal between an estimate based on the books of account and one directly based on the books was held to be illusory. Where the assessment is founded on disclosed particulars and books produced, the case does not fall within the category of best judgment assessment so as to invoke the penal provision.

Conclusion: Section 12(3)(a) was not attracted, and the levy of penalty could not be sustained.

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