Four years and three months after former telecom minister A Raja gave away pan-India GSM mobile spectrum at R1,658 crore, the Telecom Regulatory Authority of India (Trai) on Monday fixed the auction reserve prices for the same spectrum ten times higher. Trai has set a steep reserve price at R3,622.18 crore for auction of per MHz spectrum in the 1,800 Mhz (GSM services) band.