Faltered Entry of PAN/TAN, How to correct in OLTAS Challan?

It is observed that generally the Taxpayee do mistakes while filing the information in Challan. Most of the times the Taxpayees do not mention PAN/TAN correctly in OLTAS Challan. And due to this cause Taxpayee face the more problem in 26AS Statement. In this regard to correct PAN/TAN, Assessment Year, Major Head, Minor Head or Nature of payment while depositing any challan in Bank. The following modifications time period are only applicable on physical challans deposited in Bank.

Correction in OLTAS challan
NSDL receives tax collection data as uploaded by the bank. NSDL is not authorized to carry out any changes in the data sent by the bank to TIN.
The fields that can be corrected by the Taxpayer through Bank are tabulated below:

Sl. No.	Type of Correction on Challan	Period for correction request (in days)
1	PAN/TAN	Within 7 days from challan deposit date
2	Assessment Year	Within 7 days from challan deposit date
3	Total Amount	Within 7 days from challan deposit date
4	Major Head	Within 3 months from challan deposit date
5	Minor Head	Within 3 months from challan deposit date
6	Nature of Payment	Within 3 months from challan deposit date

Note :
1. Above correction mechanism is applicable only for physical challans with deposit date greater than equal to September 1, 2011.
2. Any correction request initiated by the taxpayer after the time limit specified above shall be rejected by Bank.
3. For challans with challan deposit date from September 1, 2011 to September 30, 2011, the time limit for correction in TAN/PAN, Assessment Year and Amount will be within 45 days from challan deposit date.
4. The fields that can be corrected and the entity authorized to carry out corrections on challan with deposit date less than September 1, 2011 are as below:

Sl. No.	Type of Correction on Challan	Performed By
1	PAN/TAN	Assessing Officer
2	Assessment Year	Assessing Officer
3	Major Head	Assessing Officer /Bank
4	Minor Head	Assessing Officer
5	Nature of Payment	Assessing Officer
6	Total Amount	Bank
7	Name	Bank

5. For rectifications in challans paid through online mode (internet challan) , taxpayer may contact their concerned Assessing Officer (AO) of the Income Tax Department (ITD).
6. More details on Challan Correction Mechanism available here.