(LTT-GKP/Load-22 Coaches), VCB Tripped via QSIT & SIV(Hirect) not picking up, LSCHBA continuously glowing without any message on DDS meanwhile MR dropped upto 6.5 kg/cm2, put HSIV on zero, isolated CP-2 then VCB closed, built pressure and cleared section on 5th notch.(MR not maintaining with single CP for LHB Coach). Fresh loco given. POH/BSL-09.09.16, IA-08.06.17, Major/Sec-KNW-ET, Minor/Sec-Surgaon Banjari-Charkhera Khurd (SGBJ-CKKD), Time-21.41-22.14 hrs=23-5=18" Extra in section & 22.14-00.18 hrs=124" Extra at CKKD station.