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DISCONTINUED OPERATIONS - Schedule of Operations of discontinued operations (Details) - USD ($)
6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]    
Revenue $ 0 $ 0
Operating expenses    
Operations and maintenance 0 0
General and administrative 0 0
Depreciation and amortization 0 0
Operating expenses 0 0
Loss from operations 0 0
Other income (expense) 7,207 4,286,673
Interest expense 0 0
Total other income (expense) 7,207 0
Net Income (Loss) $ 7,207 $ 4,286,673