Replacement of old and overage 4 Quad cable by 6 Quad cable in KAN- RPH section in Howrah Division. Schedule- A- BHP- SNT section Schedule- B- JTL- GKH, PCQ- BHP, NHT- CTR, AMP- LBP section Schedule- C- Replacement of old PA systems in various Stations ( 19 ) over Howrah division.