Sonamarg, June 9 -- Zojila Tunnel, the world's longest single tube bi-directional road tunnel which is expected to transform regional connectivity between the Union Territories of Jammu and Kashmir and Ladakh and strengthen strategic dominance of security forces in the India's border region, will witnessed its final breakthrough on Tuesday, officials said.

The preparations are complete as union road transport and highway minister Nitin Gadkari will be arriving for the symbolic excavation of the final wall of rock at Zojila tunnel, which will provide all weather connectivity between Kashmir and Ladakh. J&K Lieutenant Governor and Chief Minister and representatives from Ladakh are expected to attend the event.

"The union minister is arriv...