Gujarat Kidney and Super Speciality Ltd shares debuted on the stock market with a nearly 6% premium, opening at Rs 120.75 on the BSE and Rs 120 on the NSE. The company's market valuation reached Rs 907.49 crore. The IPO, priced between Rs 108-114, was oversubscribed 5.21 times. Funds raised will support hospital acquisitions, new facility development, equipment purchase, and debt repayment.