CB-45 tripped with DPR/OCR at AK(Akola)/TSS and did not hold. After segregation fault found on UP line between BGN/SP-YAD/SSP due to BT insulator (Make-SIL, 11/87) broken from cap causing RT tube and study arm hanging. Resulted entangled with panto of T.No-12136 (NGP-PA), Loco no-21330/BSL damaged. PT secured by TRD staff. Section cleared with DSL loco due to OHE damaged. Major/Sec-Badnera-Bhusavel (BD-BSL), Minor/Sec-Borgaon-Yeolkhed (BGN-YAD), Time-22.39-06.02hrs, PTW-23.45-00.20hrs & 03.10-06.02hrs, IOH-15.10.15, Last foot petrolling-10.03.17.