widening and strengthening, improvements to riding qualityincluding reconstruction of culvert and construction of retaining wall works in govt. roads in respect of sirkali ( h ) , c&m subdivision ( try-41 ) road-a, strengthening at km 11 / 2 - 11 / 8 of sattanathapuram - thiruvengadu - melaiyur road.road b - reconstruction of box culvert at 0 / 2, 0 / 4, 0 / 6 ( i ) , 0 / 6 ( ii ) , 0 / 6 ( iii ) & 0 / 10 of puthuthurai - thirunagari roadroad c - widening from single lane to intermediate lane and strengthening at km 0 / 0 - 1 / 2 of mangaimadam - thirunagari road including construction of retaining wall at km 0 / 4, 0 / 6road d - improvements to riding quality at km 2 / 6 - 5 / 1 of annankoil - nangur roadroad e - improvements to riding quality at km 6 / 6 - 7 / 330 of allivilagam - ilayamathukoodam road road f - widening from single lane to intermediate lane and strengthening at km 6 / 0 - 7 / 2 of kondathur - pagasalai road including reconstruction of box culvert at km 6 / 2, 6 / 10 & 7 / 2