widening and strengthening, including junction improvement reconstruction of culvert and construction of retaining wall works in govt. roads in respect of sirklai ( h ) , c&m subdivision ( try- 37 ) road a, widening from intermediate lane to two lane and strengthening at km 0 / 070 - 3 / 2 , 4 / 2 - 4 / 6, 12 / 0 - 12 / 6 of sattanathapuram - thiruvenkadu - malaiyur road including reconstruction of culvert at km 0 / 6, 1 / 6, 1 / 10 & 2 / 6 and construction of retaining wall at km 0 / 2, 0 / 4, 0 / 6road b, providing junction improvement at km 0 / 0-0 / 070 of sattanathapuram - thiruvenkadu - malaiyur road