Their business stood at Rs 14.77 lakh crore in the same month in the corresponding year.
Maximum fall was seen in bullion, followed by energy items, base metals and agri-commodities, commodity markets regulator FMC said releasing its latest data.
Turnover from bullion fell over 76 per cent to Rs 1.68 lakh crore in April this year, as against Rs 7.15 lakh crore in the year-ago, the FMC data showed.
Similarly, the turnover from agricultural commodities fell by 35 per cent to Rs 96,167 crore in April this year, from Rs 1.48 lakh crore in the same month last year.
More From This Section
Experts said that participation in the commodity futures markets has taken a beating due to higher transaction cost and sluggish investor confidence after the Rs 5,600 crore payment default at spot exchange NSEL.
There are five national bourses -- MCX, NCDEX, NMCE, ACE and ICEX, and 11 regional level commodity exchanges operating in the country.