(a) upgradation/development of mechanical c&ampw office in drm office complex. (b) upgradation/improvement of disaster management of rolling stock maintenance facilities in open line of nagpur division at g,itr,cwa,dgg &amp mib under ph-42. (c) proposed construction of service buildings required after gc work at nainpur under the jurisdiction of den(n)/ngp. (d) construction of sse/p.way office,store and work shop for sse/p.way/sasr and workshop for sse/p.way/sonr and sse/p.way/sey under t