** India's BSE BSEL.NS jumps 9.6% to hit lifetime high of 6,847.5 rupees
** Stock exchange's consolidated revenue up 10% q/q in Q4, while net profit doubles on reversal of settlement guarantee fund provision and market share gains
** At least three brokerages raise earnings estimate and target price for BSEL post earnings
** Options premiums have expanded over past two qtrs and can continue to grow well over FY2026-FY2028, says Jefferies
** Raises PT for stock to 7,000 rupees from 5,250 rupees earlier
** YTD, BSEL up 28.6%
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))