(a)re-girdering & Jacketing With Provision Of Sub-bank & Other Ancillary Work Of Bridge No-12, 17 & 18 (mdp-grd) Under Aen/brl/asn,(b)re-girdering & Other Ancillary Works Of Br. No. 520/b In Between Kan-asn Ml Line Section Under Aen/brl/asn,(c)re-girdering & Other Ancillary Works Of Br. No. 509 (up/2) In Between Rng-kpk In Udl-asn Section, (d)replacement Of Bgml Std. Girder Of Br. No.643/up & Dn Including Jacketing Of Piers & Abutments With Other Ancillary Works In Stn-jaj Section (e)provision Of Foot Over Bridge With Other Ancillary Work At Vidyasagar.(f)re-modelling Of Mugma Station Yard, (g)provision Of Electronic Interlocking At Durgapur Eastern Railway At Asansol Division, (h)interlocking & Up Gradation Of L.c. Gate No. 3c/e In Top-bbi Chord Line Section.(i)interlocking & Up Gradation Of L.c Gate No. 27 /c/e In Udl-snt Section,(j)interlocking & Up Gradation Of L.c Gate No. 6ab/e In Top-bbi Mainline Section & (k) Construction Of Lhs In Lieu Of L.c Gate No.28 Spl/e At Km 318/1-3 (km 318.059) In Between Snq-jsme