widening, improvement, construction of culvert and retaining wall works including upkeeping in tiruvannamalai c&m sub division jurisdictiona ) improvements of cuddalore - chittoor road to sorakolathur road ( via ) mathalambadi at km 0 / 0 - 4 / 2 including reconstruction of culvert at km 0 / 6, 0 / 10, 1 / 10, 1 / 2, 2 / 2, 3 / 8 construction of retaining wall at km 1 / 4 - 2 / 0 including upkeeping for a period of 60 months ( 01-cridp-19-20-o-2056 ) b ) widening from single lane to intermediate lane and strengthening of agaram porkunam arpakkam road at km 4 / 0 - 6 / 0 including recontruction of culverts at km 4 / 2 including upkeeping for a period of 60 mouth ( 01-cridp-19-20-p-3583 ) c ) improvements of tiruvannamalai - avalurpet road to mansurabath road ( via ) arpakkam at km 6 / 0 - 7 / 2 including reconstruction of culvert at km 6 / 10 including upkeeping for a period of 60 months ( 01-cridp-19-20-o-2054 ) d ) improvements of inamkariyandal road at km 0 / 0 - 2 / 0 including construction of culvert at km 0 / 4, reconstruction of culverts at km 0 / 8, construction of retaining wall at km 0 / 10 and including upkeeping for a period of 60 months ( 01-cridp-19-20-o-2053 ) e ) improvements to riding quality at km 4 / 0 - 4 / 8 of mathalambadi road including upkeeping for a period of 60 months ( 01 -- cridp -- 19 -- 20 -- i -- 3961 ) f ) improvements to riding quality at km. 0 / 0 - 0 / 6 of veraiyur - thandarai road to thandarai - madurampattu road including upkeeping for a period of 60 months ( 01-cridp-19-20-i-3963 ) g ) improvements to riding quality at km. 3 / 2 - 4 / 4 of thandarai - vaipoor road including upkeeping for a period of 60 months ( 01 -- cridp -- 19 -- 20 -- i -- 3960 )