widening, improvement works and construction of retaining wall works including upkeeping in arni (h) c&m sub division jurisdictiona) improvements of arni devikapuram road at km 0/0 - 2/0 (md 40) including upkeeping for a period of 60 months (job code: 01-cridp-19-20-m-1032) b) widening from end to end and improvementsof arni - devikapuram road at km 8/8 - 9/4(md 40) including upkeeping for a period of 60 months (job code: 01-cridp-19-20-m-1024) c) widening from single lane to intermediatelane and improvements of sevoor - vedhajipuram (via) mullandram km 0/0 - 2/4 including upkeeping for a period of 60 months (job code: 01-cridp-19-20-o-2102) d) improvements to riding quality quality at km 20/0 - 21/6 of kalavai - valapandal road (md 802) including upkeeping for a period of 60 months (job code: 01-cridp-19-20-i-4001) e) improvements to riding quality at km 1/6 - 3/2 of arni - devikapuram road to saduperipalayam road including upkeeping for a period of 60 months job code: 01-cridp-19-20-i-4009) f) construction of retaining wall at km 1/8, 1/10, of arni - devikapuram road to saduperipalayam road (job code: 01-cridp-19-20-o-2118) g) construction of retaining wall at km 7/6 , 7/10 of sevoor - vedhajipuram (via) mullandram (job code: 01-cridp-19-20-o-2119) h) improvements to riding quality at km 0/0 - 2/0 of arni - kalambur road to aniyalai road including upkeeping for a period of 60 months (job code: 01-cridp-19-20-i-4014)