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Property and Equipment, Net (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Apr. 30, 2023
Apr. 30, 2022
Property Plant and Equipment [Abstract]        
General and administrative expenses $ 5,792 $ 15,246    
Depreciation expense cost of sales $ 57,920 $ 124,962 $ 326,887 $ 397,643
Depreciation expenses     $ 32,865 $ 39,764