Tamilnad Mercantile Bank IPO: After closure of three days subscription of the public issue worth ₹831.60 crore, all eyes are now set on Tamilnad Mercantile Bank IPO allotment date, which is most likely on 12th September 2022. According to market observers, Tamilnad Mercantile Bank IPO GMP today is ₹8, which is ₹14 down from its yesterday's high of ₹22 per …