Centre inaugurates Dhupdhara-Chhaygaon, New Bongaigaon-Sorbhog rail sections in Assam March 11, 2024 | Completed, Project Updates The Union Government inaugurated Dhupdhara-Chhaygaon and New Bongaigaon-Sorbhog rail sections in Assam on March 9, 2024. This content is restricted.