Had a conversation with Joydeep as well!!!As far as my info goes and my knowledge about the area,NJP has a lot of vacant spaces on Ambari Falakata end and that is possibly the place for E loco shed.SGUJ already has a DEMU shed and needs to work on PF expansions.NJP s location is also crucial for the shed as that will help to have a seamless loco changes and they wiuldnt have to enter NJP SGUJ dense sector