Statutory bar on civil suits for tax refund applies where the refund claim challenges a competent assessment order.

A civil suit seeking refund of sales tax was barred because the Tamil Nadu General Sales Tax Act, 1959 provided a complete statutory hierarchy of appeal and revision, and expressly excluded suits to set aside or modify assessments. Since the refund claim depended on first treating the assessment orders as erroneous, that issue had to be pursued within the Act's own machinery, not in civil court. The existence of refund procedures under the Act further supported the legislative scheme. An assessment made by a competent authority within jurisdiction remained protected from civil challenge even if alleged to be erroneous, and the suit for refund was therefore not maintainable.

---

---

Issues: Whether a civil suit for refund of sales tax allegedly illegally collected was barred by the Tamil Nadu General Sales Tax Act, 1959, and whether the assessment orders could be reopened in such a suit.

Analysis: The assessments were made by the competent sales tax authorities on the basis of the respondent's own returns. The Act provided a complete hierarchy of remedies by appeal and revision under sections 31, 32, 34, 35, 36, 37 and 38, and section 51 expressly barred suits to set aside or modify assessments except as provided by the Act. A refund could not be ordered unless the assessment orders were first treated as erroneous, and that question fell within the statutory machinery, not the civil court's jurisdiction. The existence of refund machinery under rule 16, later replaced by section 39-A, also supported the legislative scheme that disputes of this nature were to be dealt with under the Act itself. Authorities on exclusion of civil jurisdiction were applied to hold that even an erroneous assessment made within jurisdiction remains protected by the statutory bar.

Conclusion: The civil court had no jurisdiction, and the suit for refund was barred.

Final Conclusion: The assessment and refund dispute had to be pursued only through the remedies provided by the taxing statute, and the civil action was not maintainable.

Ratio Decidendi: Where a taxing statute creates a special hierarchy of remedies and expressly bars suits to set aside or modify assessments, a refund claim that necessarily depends on impeaching the assessment cannot be maintained in a civil court if the assessment was made by a competent authority within its jurisdiction.

---