need corect tax percentage for the hsn code 84229090

As per my knowledge, Rate is yet to be finalised for this HSN Code.

HSN code: 84 or 85 

Following renewable energy devices & parts for their manufacture
(a) Bio-gas plant
(b) Solar power based devices
(c) Solar power generating system
(d) Wind mills, Wind Operated Electricity Generator (WOEG)
(e) Waste to energy plants/devices
(f) Solar lantern/solar lamp
(g) Ocean waves/tidal waves energy devices/plants

are under 5% GST

18% FOR THIS PARTICULAR HSN CODE 84229090