GST paid or not ??

Vipul Patel (21 Points)

23 May 2019  
I have purchase one office from builder in shoping.
shoping was completed before applicable GST act.
my question is GST 12% paid on that office. plz suggest sir...
I have paid ..
purchase amt 290000
CGST 6% 17400
SGST 6% 17400
TOTAL 324800
Right or wrong..