Construction of single line BG Tunnel 14A (App. length 160 RM) at Km.27.300 to Km.27.460,BG two line Tunnel 12A (App. length 160 RM) at Km.25.360 to Km.25.520 and balance work of Tunnel 11C (Cut & Cover App. length 120 RM) at Km.23.896 to Km.24.016