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INCOME TAX (Details) - Schedule of Deferred Income Tax - USD ($) $ in Thousands | Mar. 31, 2022 | Mar. 31, 2021
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Deferred income tax assets |  |
Total deferred income tax assets | $ 4,506 | $ 4,077
Deferred income tax liabilities |  |
Total deferred income tax liabilities | (51,634) | (44,869)
Net deferred income tax liabilities | (47,128) | (40,792)
Of which |  |
-Deferred tax assets | 905 |
-Deferred tax liabilities | (48,033) | (40,792)
Property, plant and equipment [member] |  |
Deferred income tax assets |  |
Total deferred income tax assets | 2,230 | 1,706
Deferred income tax liabilities |  |
Total deferred income tax liabilities | (2,024) | (1,488)
Environmental rehabilitation [Member] |  |
Deferred income tax assets |  |
Total deferred income tax assets | 2,021 | 1,716
Unrealized loss on investments [Member] |  |
Deferred income tax assets |  |
Total deferred income tax assets | 122 |
Other deductible temporary difference [Member] |  |
Deferred income tax assets |  |
Total deferred income tax assets | 133 | 655
Mineral rights and properties [Member] |  |
Deferred income tax liabilities |  |
Total deferred income tax liabilities | (49,386) | (43,105)
Unrealized gain on investments [Member] |  |
Deferred income tax liabilities |  |
Total deferred income tax liabilities |  |
Other taxable temporary difference [Member] |  |
Deferred income tax liabilities |  |
Total deferred income tax liabilities | $ (224) | $ (276)

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