Gauge Conversion works between QUILON - TENKASI - TIRUNELVELI - TIRUCHCHENDUR and TENKASI - VIRUDUNAGAR: SENGOTTAI - PUNALUR Section: Providing RCC/RR Retaining wall at isolated locations ,Slope pitching,flooring apron ,Drop wall and River training works and other related miscelleaneous works between Bhagavathipuram and Kalthuruthi Stations.