Enviro Infra Engineers, which is involved in the development of turnkey projects of sewage treatment plants and sewerage systems, on Monday fixed a price band of Rs 140-148 per share for its Rs 650 crore Initial Public Offering (IPO). The initial share sale will open for public subscription on November 22 and conclude on November 26. The bidding for anchor investors will open for a day on November 21, the company announced. The city-based company's proposed IPO is a combination of a fresh issue of 3.87 crore equity shares and an Offer For Sale (OFS) component of 52.68 lakh shares by promoters. Currently, promoters hold over 93 per cent stake in Enviro Infra Engineers. At the higher end of the price band, the IPO is valued at Rs 650 crore, placing the company's market capitalization at approximately Rs 2,600 crore. Proceeds from the fresh issue to the tune of Rs 181 crore will be used to meet the working capital requirements, Rs 100 crore will be used for payment of debt, Rs 30 cro