Re-construction of flexible pavement at ch. 16+000 to ch.29+500 km (nageshwari to bhurungamari), rigid pavement at ch. 21+600 to ch. 22+600 km (1.00 km), 25.75m (4x5.50m) long r.c.c charaikhola bridge at 20th km (ch. 19+042m), gabbarer bridge at 21st km (ch. 20+500m) & malvanga bridge at 24th km (ch. 23+866), 3.80m (1x3.00m clear) long & 3.00m (clear) hight r.c.c box-culvert at 23rd km (ch. 22+315m), necessary drain, protective work & other supporting works with improvement of kurigram(dasherhat)-nageshwari-bhurungamari-sonahat langdport (n-506) into a national highway under road division, kurigram during the year 2019-2020 (wp-03).