New Delhi, Aug 15 (PTI) Real estate firm Kalpataru Ltd has filed draft prospectus with market regulator SEBI to launch its initial public offering (IPO) for raising up to ₹1,590 crore, mainly to reduce debt. Real estate firm Kalpataru Ltd has filed draft prospectus with market regulator SEBI to launch its initial public offering (IPO) for raising up to ₹1,590 crore, mainly to reduce debt....