widening and improvements, retaining wall and culvert works including up keeping for a period of 60 months in govt. roads in respect of papanasam ( h ) , c&m subdivisionpackage– 82 road a, , widening from single lane to intermediate lane and improvements of koonancherry - thiruvaikkavur road at km 2 / 0 - 3 / 6 including reconstruction of culverts at km 2 / 4, 2 / 8, 3 / 2, 3 / 4 , construction of retaining wall at km 2 / 2 and including upkeeping for a period of 60 monthsroad b, , widening from single lane to intermediate lane and improvements of koonancherry - thiruvaikkavur road at km 3 / 6 - 5 / 0 including reconstruction of culverts at km 3 / 8, 4 / 2, 4 / 10 including upkeeping for a period of 60 monthsroad c, widening from single lane to intermediate lane and improvements of koonancherry - thiruvaikkavur road at km 5 / 0 - 6 / 2 including reconstruction of culverts at km 5 / 4 ( i ) , ( ii ) , 5 / 10 including upkeeping for a period of 60 monthsroad d, , reconstruction of box culvert at km 2 / 2 of arunthavapuram - nadupatt