The turnover of commodity exchanges fell 5.54 per cent during the April-December period to Rs 1,29,62,447 crore because of decline in bullion trade.
"The cumulative value of trade from April 1, 2012 up to December 31, 2012 during the financial year 2012-13 was Rs 129,62,447.62 crore," market regulator FMC said in its report.
The turnover of commodity bourses was Rs 1,37,22,854 crore in the corresponding period of previous fiscal.
Bullion trade declined by 25.30 per cent in the first nine months of 2012-13 to Rs 60,03,141 crore, from Rs 80,36,753 crore in the year-ago period.
However, total trade in agriculture commodities during the period rose 16 per cent to Rs 17,12,849 crore, from Rs 14,71,629 crore in the nine months of the previous fiscal.
Similarly, trade in metals (other than bullion) increased by 17 per cent from April-December at Rs 23,99,548 crore, from Rs 20,43,105 crore in the year-ago period.
The trade in energy was up by Rs 28,46,907 crore compared with Rs 21,71,364 crore during the period under review.
There are more than 20 commodity exchanges (both national level and regional) in the country.