Ideaforge, a pioneer in India's drone market, has extended the subscription period for its initial public offering (IPO) by a day. The IPO will now close on June 30 due to a market holiday on Thursday. The public offer has received a strong response from investors, with an overall subscription rate of 28.28 times. Shares are commanding a premium of around Rs 535-550, indicating potential listing gains. The IPO includes a fresh issue of equity shares worth up to Rs 240 crore and an offer for sale of up to 48.6 lakh shares by selling shareholders.