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SEGMENT INFORMATION (Details) - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas - USD ($)
$ in Thousands
Sep. 30, 2021
Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
Intangible assets, net $ 411 $ 407
Property, plant and equipment, net 10,589 10,840
Investments in unlisted securities 11 12
Claims and advances 611 603
Operating lease asset 510 488
Total non-current assets 12,132 12,350
Geographic Distribution, Domestic [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Intangible assets, net 411 407
Property, plant and equipment, net 6,045 6,228
Investments in unlisted securities 0 0
Claims and advances 200 200
Operating lease asset 443 488
Total non-current assets 7,099 7,323
Geographic Distribution, Foreign [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Intangible assets, net 0 0
Property, plant and equipment, net 4,544 4,612
Investments in unlisted securities 11 12
Claims and advances 411 403
Operating lease asset 67 0
Total non-current assets $ 5,033 $ 5,027