Tds challan unmatched????

Ankit (CMA (Inter)) (26 Points)

25 September 2013  

What is the meaning of  "number of challan unmatched" in TDS Provisional acknowledgement deductor copy.

Sometime this option shows "N.A" and sometime it shows "1,2,3......."

is there any problem in return if this option shows "N.A" or " no.of challan"

Please help...........reply...............