Inventories (Tables)

3 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of components of inventories

	As of		As of
	June 30, 2020		March 31, 2020
Raw materials	$	9,381,816	$	12,499,301
Work-in-progress		825,918		1,541,716
Finished goods		7,869,346		8,592,755
Total inventory	$	18,077,080	$	22,633,772