Tender For execution of signaling & telecommunication work in connection with: (1) construction of rub at manned level crossing no. rv-6 (shankar nagar gate) at km 4/10-11 in raipur-lakholi section, (2) construction of rub in lieu of lc rv-7 between rvh-mndh of raipur-titlagarh section of raipur division, (3) construction of rub (twin box) on km. 827/3-5 in lieu of lc no. 417 (khamtarai gate) across ngp-hwh main line (4) construction of rub in lieu of non lc trespassing location on workshop road at km rsd/31-32 between urk-rsd station of raipur division, (5) overage asset replacement of signalling items [point machine & led signal] over raipur division, secr, (6) provision for upgradation of war room at raipur division of secr, (7) provision of voice recording facility of conversation made by station master on driver/guard communication channel through vhf over raipur division.