Jammu, June 9 -- For Yusuf S. Haghpur Rahimabadi, the historic breakthrough of the Zojila Tunnel on Tuesday was more than just an engineering milestone-it was the culmination of a decade of hard work, perseverance and commitment to one of India's most challenging infrastructure projects.

An Iranian national serving as the authority engineer for the strategically important Zojila Tunnel project, Yusuf described the breakthrough as one of the proudest moments of his professional career spanning more than three decades.

The tunnel achieved a major milestone on Tuesday when excavation teams successfully connected the sections being dug from the Baltal side in Kashmir and the Minamarg side in the Drass-Kargil region of Ladakh. Union Minister f...