Keystone Realtors' share sale via initial public offering (IPO) will begin on November 14 and end on November 16. The company is planning to raise Rs 635 crore from the IPO which comprises of fresh issue of Rs 635 crore and an offer for sale (OFS) worth Rs 75 crore. The company sells properties under the brand Rustomjee. (Also Read: Should You Invest In Kaynes Technology IPO)