MUV-NDLS SF Regular link is GZB WAP 5.
This can be observed by you seeing daily.
I hadnt seen it with WAP 4 except 2 or 3 times.
It has been Regular with GZB WAP 5 and SG with CNBWAP 4 as The Link of SG is provided by NCR and The link of MUV SF is provided by NR.