widening from il to tl and strengthening at km 2/4 - 4/0 of trichy-cidambaram road branching at km 30/2 to kallakudy-thappai road including construction of protective wall at km 2/6, 2/8, 2/10, 3/2 and 3/4 and widening of box culvert at km 2/6. try 22