Billionaire banker Uday Kotak highlighting three key structural concerns: growing influence of money power, disparity in liquidity between index derivatives and single stocks, and the business models of exchanges and brokers.

Established in 2000, Jane Street Group LLC is a global proprietary trading firm in the financial services industry. It employs more than 2,600 people across five offices in the US, Europe, and Asia, and conducts trading operations in 45 countries.

India's markets regulator has widened its probe into alleged market manipulation by U.S. securities trading firm Jane Street to include other exchanges and indices, according to a source, after barring it from trading in the Indian markets earlier on Friday.