NOTE 10 - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)	Oct. 31, 2022	Apr. 30, 2022
Details
General liability, worker's compensation, and medical insurance payable	$ 358,648	$ 428,773
Consulting fee payable	185,902	206,007
Union and education fees payable	121,325	134,598
Interest payables for short-term loans	297,456	366,249
Safety production fund payable	627,919	627,138
Advanced from the employees	126,815	106,253
Security deposit for sub-contractor	136,971	151,784
Other miscellaneous payables	$ 19,360	$ 4,066