Capital gains on sale of gold

while calculating capital gains tax on sale of gold the indexation benefit will available for only value of gold ( purchase value + making CAHRGES) or (purchase value + making charges )+ Gst too ?


like gold purchase Rs 50000 + gst lest say 500 ie 50500.


then while selling after 10 years and calculating indexation we will consider Rs 50000 or Rs 50500 ?

pls explain.