improvements, improvements to riding quality, construction of retaining wall to major district roads and other district roads in nagercoil (h) c&m, sub–division including upkeeping for a period of 60 months 1 improvements of santhapuram road at km 0/090 - 2/0 (md 412) including upkeeping for a period of 60 months2 improvements of vattakottai - kottaram - agastheeswaram road at km 1/2 - 5/0 (md 931) including upkeeping for a period of 60 months3 construction of retaining wall at km 0/2 of devakulam - chettikulam road4 improvements to riding quality at km 0/0 - 1/2 of vellamadi - esanthangu road including upkeeping for a period of 60 months5 improvements to riding quality at km 0/0 - 5/0 of pulluvilai - pottelvilakku road including upkeeping for a period of 60 months6 improvements to riding quality at km 5/6 - 10/4 of villukuri - rajakkamangalam road including upkeeping for a period of 60 months7 improvements to riding quality at km 0/0 - 1/450 of kunchanvilai - thengamputhoor channel karai road including upkeeping for a period of 60 months