Check the availability status for 4th Feb by applyin different station combinations.
1) ASR-DBRT
2) ASR-LKO
3) ASR-FD
You...
more... would find different availability status for diff. station combinations.
1)
General Sleeper AC 3-tier AC 2-tier
2011-02-04 WL# 126 WL# 29 WL# 9
************
2)
General Sleeper AC 3-tier AC 2-tier
2011-02-04 Avbl 15 WL# 29 WL# 9
************
3)
General Sleeper AC 3-tier AC 2-tier
2011-02-04 Avbl 12 WL# 29 WL# 9
Diff. quota are available for some stations along with the combined quota which exists from the originating to the ending stations. First, the passengers are allotted in the individual quota, and after it gets exhausted the usage of combined quota starts.
I hope now you can elaborate more on Manoj jee's explanation to get a clear idea.