tn-mm-1781c of 2x315 mva, 400 / 220 / 33kv ilts at sstps, rvun, suratagarh. , supply items , numerical type transformer differential protection relay alongwith required auxiliary relay: relay should provide total functionality of auto transformer protection including redundancy as per specifications, time synchronization & interface / communication along with all required equipments / accessories with existing system as per technical specifications after requisite design and engineering for 2x315mva, 400 / 220 / 33kv auto transformer protection system , numerical type back-up over current & earth fault protection relay alongwith required auxiliary relay ( 400kv side ) : relay should provide as per specifications, time synchronization & interface / communication along with all required equipments / accessories with existing system as per technical specifications after requisite design and engineering. , numerical type back-up over current & earth fault protection relayalongwith required auxiliary relay ( 220kv side ) : relay should provide as per specifications, time synchronization & interface / communication along with all required equipments / accessories with existing system as per technical specifications after requisite design and engineering. , engineering work station alongwith interfacing equipments etc as per scope of work & technical specifications. , sub total ( sr.no.1.01 to 1.04 ) , total packing & forwarding charges , sub total of supply+p&f ( including gst ) , total freight charges upto stps site , total insurance charges upto stps site , any other charges / taxes , sub total ( sr.1.07+1.08+1.09+1.10 ) , etc , erection, testing & commissioning of numerical transformer protection relays as per scope of work & technical specifications ( mentioned at s. no.-1 to 4 as above ) , total of etc ( including gst ) , any other charges , total of etc charges ( 2.02+2.03 ) , net total ( supply+etc )