we can expect BG trains on JBP-BTC-G line by April/May 2018 as official deadline for completion of section is given by IR is March 2018 and after CRS this whole section will be open for traffic in Apr/May 2018 and till now only one section BG work is going on b/w Samnapur-NIR and other sections BG work is completed and recently GNS-NIR and Samnapur-BTC section is completed and waiting for CRS