M.K. Sons Fine Jewels’ Rs 275.40-crore IPO opens for subscription on October 28 and closes on October 30, with a grey market premium of around 6%, indicating modest listing-gain expectations. The issue comprises a fresh issue of Rs 220.32 crore and an offer for sale of Rs 55.08 crore. Allotment is expected on November 2, with listing tentatively scheduled for November 4 on the BSE and NSE.