I don't have a great news. Learned from the IRFCA that the CRS inspection between New Coochbehar and Shrirampur Assam has failed in the last attempt. So that real gap of electrification lies between New Coochbehar and New Bongaigaon currently.ЁЯШнЁЯШн
However PIB PR mentions this section as electrified so I don't confirm the authenticity