TC reported power fault at RM1 car. Unable reset at ORC, NOV, TAP. Station (BDL) was tasked to tripp ed PRCB at Rear M1 but unable to locate PRCB. Station (YIS) tripped PRCB but fault unable to clear. ~~~~~ 1648 inverter 1 & 2 failed to deliver power. Checked & found 2 pcs of charging resistors 'OL' & burnt marks. Replaced both the charging resistors (20 ohms) - Done. Function check - OK. Line breaker checked - OK. Limited movement - OK. Checked all M-cars charging resistors - All OK.  Sarma. 10/06/2020.