Kolkata Metro Update, Sept. 2 -- The Kolkata Metro Rail Authority has announced the suspension of its experimental late night train service from September 3, citing operational issues.

The Kolkata Metro authority said that due to the maintenance-related issued and operational constraints at the Kavi Subhash station in New Garia, the 10:40 pm metro service will be suspended until further notice.

The new Kolkata Metro Blue Line update will be effective from tomorrow, it said.

"On account of the suspension of the Kavi Subhash station and due to operational constraints and maintenance-related issues, it will not be possible to operate the Special Experimental Night Metro Services at 22:40 hrs. from Dumdum and Shahid Khudiram stations in Bl...