widening and strengthening, improvements to riding quality, including reconstruction of culvert, widening of culvert and construction of retaining wall works in govt. roads in respect of manapparai ( h ) , c&m subdivision ( try-14 ) road a: widening from intermediate lane to two lane and strengthening at km 21 / 4-24 / 0, 27 / 0-27 / 6, 31 / 0-31 / 4 of vaiyambatti - konnaiyur road including , reconstruction of box culvert at km 27 / 6, widening of slab culvert at km 23 / 6, constructions of retaining wall at km 23 / 8, 27 / 6 ( md 729 ) . road b: improvements to riding quality at km 0 / 0 -2 / 0 of pudukkottai - manapparai road branching at km 33 / 2 to vellapitchampatty road.