Zone No. 42 Bridge Zone Under Aen/bdc, P.e. 30.06.2026. Jurisdiction: Repair And Maintenance Of All Bridges Works From Km 38.00 To 91.00 Excluding Bandel On Main Line, Naihati Branch Line Km. 02/2 To Km. 7/17 And B.b.loop From Km. 0.00 To 2.00, Repairs & Maintenance Work Of Various Bridges Including Fob, Rub & Rob Etc Under The Jurisdiction Of Aen/bdc.