CONTRACT NO: KAT-1: SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF BALLASTLESS TRACK WORK OF STANDARD GAUGE FROM PETTA STATION (EXCLUDING) TO THRIPUNITHURA TERMINAL STATION (INCLUSIVE) OF THE ELEVATED SECTION OF PHASE I EXTENSION OF KOCHI METRO RAIL PROJECT (FROM CHAINAGE 25172.041M TO 28125.000M)