Tamil Nadu accelerates Hosur greenfield airport on 2,300 acres in Krishnagiri, applying for site clearance within two weeks from Union Civil Aviation Ministry. Targeting 3 crore annual passengers, land acquisition starts in four months pre-2026 polls. Krishnagiri prepares LDP as Karnataka plans Bengaluru second airport and HAL revival, while Andhra eyes Kuppam. Despite BIAL’s 150km radius restrict