TC reported counterbound train 215(3531)did not have headlights switched on. TC of T215 checked MLC B and found it to be tripped. TC normalised circuit breaker and stepped out to check, B-side headlight working while A-s ~~~~~ 3531 Reported By TC of T443 did not have headlights switched on. TC of T215(3531)checked MLCB and found it to be tripped. TC normalised circuit breaker and stepped out to check, B-side headlight working while A-side headlight faulty. Train was reformed and withdrawn JUR after peak.  3531 A/S faulty Headlight Replaced. Tested Operation - OK HAnafi/Azmi 43949