NOTE 10 - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)	Jul. 31, 2022	Apr. 30, 2022
Details
General liability, worker's compensation, and medical insurance payable	$ 412,103	$ 428,773
Consulting fee payable	239,578	206,007
Union and education fees payable	131,477	134,598
Interest payables for short-term loans	341,922	366,249
Safety production fund payable	656,437	627,138
Advanced from the employees	125,584	106,253
Security deposit for sub-contractor	148,432	151,784
Other miscellaneous payables	$ 10,202	$ 4,066