I suppose, that is because there was less migration of KL people to WB, unlike MH, TN, KA......
Hence there was not much demand for those trains previously....
The Wait Listed tickets which you see in WB and NE trains today is because of the reverse migration trends.......
Anways, the NE connectivity even from Mumbai is pathetic, it has to be improved.......even the...
more... other smaller NE states need to be connected.....