Cyient DLM is set to start its initial public offering on Tuesday, offering shares in the range of Rs 250-265 with a total value of up to Rs 592 crore. Ahead of the IPO, the company's shares have commanded a premium of Rs 90 in the unlisted markets. At the upper price band, Cyient DLM is available at P/E of 66.2x FY23 earnings. The firm specialises in the entire lifecycle of an electronics product, including design, build and maintenance, and is offering a fresh issue of equity shares.