What RLWL 50 means
RLWL 50 is your current ticket position in Indian Railways booking status. RLWL depends on a smaller remote-location quota, so movement can be slower than GNWL.
Practical confirmation signal
For this number, the practical signal is low. The real answer depends on route, class, quota, season, cancellations and chart timing.
What you should do next
Keep a backup if the number is not moving, and watch the final status near chart preparation.