Bhopal-based infrastructure firm Dilip Buildcon's Rs 650-crore initial public offering (IPO) will remain open for subscription from August 1 to August 3. The company has priced the offering in a range between Rs 214 and Rs 219 per share. Dilip Buildcon is raising Rs 430 crore in fresh capital, which will be used towards repayment of loans and working capital requirements. Another Rs 220 crore of the issue will be offer for sale by existing shareholders, including BanyanTree Growth Capital.