MUMBAI, July 24: The Securities and Exchange Board of India (SEBI) today approved the expansion of Bombay Stock Exchange's BOLT trading facility to 99 cities.

In a communication to BSE today, senior executive director of SEBI O P Gahrotra said the approval was granted subject to adequate monitoring and surveillance by BSE on these outstation terminals. ``All trades under BOLT would be subject to usual margins, capital adequacy,'' Gahrotra said.

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