India’s securities regulator plans to boost its surveillance systems to better detect complex trading strategies after taking action against high-speed trading giant Jane Street Group for alleged market manipulation.

Sebi imposed a temporary trading ban on the US-based firm and ordered the seizure of Rs 4,840 crore, citing 'an intentional, well-planned and sinister scheme'

The Securities and Exchange Board of India (Sebi) is set to probe allegations that Jane Street Group violated index position limits in the Futures & Options (F&O) segment.