DLF, the country's biggest realty firm, has bagged a deal to acquire 25 acres of land in Hyderabad from the state government for about Rs 450 crore.The company is buying a 25-acre plot from the Andhra Pradesh government at a rate of Rs 18.11 crore per acre, which means the total cost is around Rs 452.75 crore. The land would be used for developing IT premises, Rajeev Talwar, executive director, DLF told PTI here.The deal comes days after the Delhi-based company agreed to buy 38 acre in the national capital for Rs 1,675 crore in the country's biggest land deal.