Work on Package I of Thirumangalam-Therkuvenganallur Four Laning road Project in Tamil Nadu to be completed by December 2025 September 18, 2025 | Project Updates, Under Construction The construction work on Thirumangalam-Therkuvenganallur Four Laning road Project (NH-744) (Package-I) is likely to be completed by the end of December 2025. This content is restricted.