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Hi, I’m Spriha Srivastava, executive editor for digital at CNBC International. Welcome to this edition of Inside India.

This week, I look at how the boom in India’s derivatives markets has brought a whole host of worries for retail investors, who are typically young and drawn in by the promise of quick profits.

This report is from this week’s CNBC’s “Inside India” newsletter. Like what you see? You can subscribe here.

A week ago, India’s markets regulator sent a strong signal by barring global trading firm Jane Street from participating in the local equities market. The move came with eye-popping details: a near $570 million profit freeze, allegations of index manipulation, and the suggestion that arbitrage trading strategies may have crossed the line.