PATNA, Sept. 30 -- Union home minister Amit Shah's remark at his rally at Purnia in Bihar on September 23 that the airport there was almost complete and the ensuing blame game between former allies BJP and JD(U) has revealed a peculiar bureaucratic wrangle that has delayed construction work - the Airport Authority of India (AAI) claims that the state government is handing over land for the proposed civil enclave on the northern side of at the existing Indian Air Force (IAF) airport whereas it had sought land on the southern side, in line with future requirement....