It got LHB on 7 Jul 2012, the rake was withdrawn 10 days later due to problem in GS coaches. Then again got it in Mar-Apr 2013, till then MB was also lhbfied. Then in 2014 all MB, Poorva, Puru, SK were tested for 130 mps for almost 2 months. Then the mps increase was withheld for lack of staff, then finally in 2015 all started to run at 130 mps