You can check your challan status from OLTAS or from TRACES. Following are the different status of challan on OLTAS:
Matched: TAN or challan detail as per the TDS Return matches with the TAN or challan details as per OLTAS.
Unmatched: TAN or challan detail as per the TDS Return does not match with the TAN or challan details as per OLTAS.
Overbooked: When the sum of TDS deposited exceeds the balance available for challan as per OLTAS
Following are the different status of challan on TRACES:
Claimed: It means challan is fully utilized by the payer/ deductor in filed e-TDS Returns.
Unclaimed: It means challan is not fully utilized by the payer/ deductor in filed e-TDS Returns. These challans can be used in the next e-TDS Return by the payer.