Environmental bank guarantees may secure compliance and restoration, and their invocation can be validly enforced on persistent default.

An environmental regulator may require industrial units to furnish a bank guarantee as a compliance measure to secure consent conditions and fund restoration where pollution-control defaults persist. The guarantee is not penal merely because it operates on non-compliance; it is compensatory and restorative when linked to environmental safeguards and repeated violations. A bank guarantee expressly providing for forfeiture on failure to meet stipulated obligations may be validly invoked in accordance with its terms, absent fraud or irretrievable injustice. Amounts realised from invocation must be confined to environmental restoration and allied pollution-control purposes.

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Issues: (i) Whether the State Pollution Control Board could require industrial units to furnish bank guarantees as an interim measure for compliance with consent conditions and environmental safeguards; (ii) Whether invocation of such bank guarantee was penal and impermissible under the Air Act and the Water Act; (iii) Whether the appellate authority erred in setting aside forfeiture of the bank guarantee; (iv) Whether invocation of the bank guarantee was in accordance with its terms and the consequences thereof.

Issue (i): Whether the State Pollution Control Board could require industrial units to furnish bank guarantees as an interim measure for compliance with consent conditions and environmental safeguards?

Analysis: The powers of the Board under the Air Act are not confined to closure or prosecution. The statutory scheme empowers the Board to regulate industrial activity, ensure compliance with consent conditions, and take such measures as are necessary to prevent, control, and abate pollution. A requirement to furnish a bank guarantee, when imposed as a regulatory device to secure compliance and to fund restoration if defaults persist, falls within those powers and has a direct nexus with the object of the Act.

Conclusion: Yes. The Board was competent to insist on a bank guarantee as a regulatory and compliance-related measure.

Issue (ii): Whether invocation of such bank guarantee was penal and impermissible under the Air Act and the Water Act?

Analysis: Penal consequences under the environmental statutes are distinct from compensatory or restorative measures. The guarantee was not imposed as a punishment for an offence, but as a mechanism to secure compliance and to provide for environmental restoration where non-compliance caused degradation. The industrial units had repeatedly defaulted despite multiple inspections and opportunities, and the guarantee was linked to continued failure to meet prescribed standards. In substance, the measure was compensatory and restorative, not penal.

Conclusion: No. The bank guarantee condition and its invocation were not penal and were not impermissible in law.

Issue (iii): Whether the appellate authority erred in setting aside forfeiture of the bank guarantee?

Analysis: The appellate authority ignored the cumulative inspection record, persistent defaults, and repeated opportunities afforded to the units. It also proceeded on an incorrect premise that deliberate violation was a necessary precondition for invocation, whereas the guarantee turned on the Board's satisfaction regarding compliance and continued adherence to pollution-control conditions. The order thus suffered from material errors of fact and law.

Conclusion: Yes. The appellate authority's order was unsustainable and liable to be set aside.

Issue (iv): Whether invocation of the bank guarantee was in accordance with its terms and the consequences thereof?

Analysis: The guarantee expressly permitted forfeiture upon failure to comply with the stipulated environmental obligations within the prescribed time. The Board's invocation was founded on repeated non-compliance and objective assessment, and did not fall within the recognised exceptions of fraud or irretrievable injustice. The amount realised could be used only for environmental restoration and allied compliance purposes, not for any other use.

Conclusion: Yes. The bank guarantee was validly invoked in terms of its conditions, and the amount was to be used only for compensatory environmental purposes.

Final Conclusion: The challenge to the Board's authority failed, the appellate order was set aside, and the bank guarantee invocation was upheld, while restricting utilisation of the realised amount to restoration and pollution-control purposes.

Ratio Decidendi: An environmental regulator empowered to prevent and control pollution may, as a regulatory and compensatory measure, require a bank guarantee to secure compliance with consent conditions and to fund restoration of environmental damage caused by persistent non-compliance; such a measure is not penal merely because it operates upon default.

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