Tender for Supply of 4th Line direct communication material (partial) from Tikiapara to Howrah Yard in Eastern Railway Howrah Division, installation, testing, interlocking and commissioning of indoor and outdoor signaling equipment with electronic interlocking at Burdwan Up Yard along with alteration work at Burdwan RRI and Howrah Remaining work of panel interlocking (metal to metal relay) at goods yard cabin and alteration work at Howrah RRI.