Pradhan urges Gadkari for NH upgrades in Odisha. Sambalpur MP Dharmendra Pradhan has written to Union Minister Nitin Gadkari seeking upgradation of the Sambalpur-Angul-Cuttack corridor to six lanes, four underpasses on NH-55, and a flyover at Sambalpur City Railway Station Square on NH-53 to boost connectivity and road safety in western Odisha amid rising industrial traffic.