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REVENUE - Contract assets and contract liabilities (Details) - USD ($) | Sep. 30, 2023 | Mar. 31, 2023
--- | --- | ---
REVENUE |  |
Contract assets | $ 8,096,608 | $ 8,947,811
Unbilled |  |
REVENUE |  |
Contract assets | 20,183,772 | 19,485,914
Progress Payments |  |
REVENUE |  |
Contract assets | $ (12,087,164) | $ (10,538,103)

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