The allotment of BLS Polymers' initial public offering (IPO) is expected to be finalised on October 30, a day after the Rs 255-crore issue closed for subscription. Investors can check their allotment status through the registrar, KFin Technologies, or the stock exchanges once the basis of allotment is published. The IPO received an overwhelming response from investors, with the issue subscribed 241.22 times, according to NSE data.