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NOTE 10 - LOAN PAYABLE (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2020
Jan. 31, 2019
Apr. 30, 2019
Details          
Total Short Term Loan Payable $ 10,874,551   $ 10,874,551   $ 6,079,983
Total Long Term Loan Payable 1,556,936   1,556,936   $ 9,845,706
Interest expense related to short-term loans and long-term loans $ 208,942 $ 171,705 $ 446,288 $ 488,641