Mumbai, Nov. 28 -- Following a clampdown on equity derivatives after studies revealed steep retail losses, the stock market regulator is turning its attention to the commodity derivatives segment (CDS).

The Securities and Exchange Board of India (Sebi) has asked brokers to submit the profit and profit and loss statements of clients in commodity derivatives for the past three and a half years, two people aware of the development said.

"Sebi last week asked top brokers in CDS to submit profit and loss (P&L) statements of their clients relating to trading in gold, silver, crude oil and natural gas futures and options (F&O)," one of the two people said on the condition of anonymity.

The regulator has begun seeking clients' P&L data from br...