v3.26.1
Taxation (Details Narrative)
$ in Millions
12 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
HKD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Income tax rate percentage 25.00% 25.00% 25.00% 25.00%
Assessable profits       $ 0
Deferred tax assets $ 1,161,878   $ 1,580,716 1,195,951
Long-term investment impairment 816,536      
Net operating loss carryforward 289,148      
Allowance for credit loss 30,835      
Intangible asset impairment 25,359      
Valuation allowance 1,161,878   1,580,716 1,195,951
Net carrying amount of deferred tax assets  
Valuation allowance, additions 335,885      
Valuation allowance, reversals 776,123      
Valuation allowance, utilization 6,610      
Valuation allowance, foreign exchange 28,010      
Unrecognized tax benefits 0   0  
Interest or penalties $ 0   $ 0 $ 0
Income tax examination description the tax years ended March 31, 2020 through 2025 for the Group’s subsidiaries in the PRC are generally subject to examination by the PRC tax authorities. the tax years ended March 31, 2020 through 2025 for the Group’s subsidiaries in the PRC are generally subject to examination by the PRC tax authorities.    
Technical Services [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Value added tax rate 6.00% 6.00%    
HONG KONG        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Income tax rate percentage 16.50% 16.50%    
HONG KONG | Assessable Profits [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Income tax rate percentage 8.25% 8.25%    
Legacy tax rate 16.50% 16.50%    
HONG KONG | Maximum [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Assessable profits   $ 2    
CHINA        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Income tax rate percentage 25.00% 25.00%    
Income tax rate reconciliation, description The State Administration of Taxation further announced that from January 1, 2021 to December 31, 2022, for the portion of taxable income not exceeding RMB1 million, the amount of taxable income can be halved from 25% to 12.5%, and the corporate income tax will be levied at 20%, for small and low-profit enterprises, and from January 1, 2022 to December 31, 2024, small and low-profit enterprises can enjoy a 20% corporate income tax rate on 25% of the taxable income amount for the portion of taxable income more than RMB1 million but not exceeding RMB3 million. In accordance with announcement of the Ministry of Finance and the State Taxation Administration [2023] No. 6, which was effective from January 1, 2023 to December 31, 2024, preferential tax rate became 5% on taxable income below RMB1 million. According to announcement of the Ministry of Finance and the State Taxation Administration [2023] No.12, which became effective on August 2, 2023 and until December 31, 2027, small, low profit enterprises is subject to the preferential income tax rate of 5% (only 25% of such taxable income shall be subject to enterprises income tax at a tax rate of 20%). The State Administration of Taxation further announced that from January 1, 2021 to December 31, 2022, for the portion of taxable income not exceeding RMB1 million, the amount of taxable income can be halved from 25% to 12.5%, and the corporate income tax will be levied at 20%, for small and low-profit enterprises, and from January 1, 2022 to December 31, 2024, small and low-profit enterprises can enjoy a 20% corporate income tax rate on 25% of the taxable income amount for the portion of taxable income more than RMB1 million but not exceeding RMB3 million. In accordance with announcement of the Ministry of Finance and the State Taxation Administration [2023] No. 6, which was effective from January 1, 2023 to December 31, 2024, preferential tax rate became 5% on taxable income below RMB1 million. According to announcement of the Ministry of Finance and the State Taxation Administration [2023] No.12, which became effective on August 2, 2023 and until December 31, 2027, small, low profit enterprises is subject to the preferential income tax rate of 5% (only 25% of such taxable income shall be subject to enterprises income tax at a tax rate of 20%).    
Withholding tax rate 10.00%