widening from single lane to intermediate lane, strengthening, improvements to riding quality, construction of retaining wall, construction of drain including cd works in government road of thuckalay and thovalai ( h ) c&m sub division ( tnv- 74 ) road a: construction of drain at km 0 / 6 of maruthoorkurhichi - pazhayakadai roadroad b: construction of retaining wall at km 1 / 6, 2 / 4 of thuckalai - krishnamangalam road including cd worksroad c: strengthening at km 0 / 0 - 0 / 6 of konamkadu - chirayanvilai roadroad d: improvements to riding quality at km 7 / 0 - 9 / 5 of marthandam - pechiparai roadroad e: widening from single lane to intermediate lane and strengthening at km 0 / 0 - 2 / 8 of thiruvattar - mathoor roadroad f: construction of retaining wall at km 0 / 2 of mathiyas nagar harijan colony roadroad g: construction of retaining wall at km 0 / 4, 0 / 6 of boothapandy - village road including cd works