Mr. Tamal Mukherjee,
Your comment needs clarification on 2 points.
-You said that the TDS Certificate issued to you says that the deducted amount is deposited on 25/04/2011.
This can't be 2011. (The certificate issued must be for the F.Y. 2011) Let's not go deep into it - as the year we are concerned is for 2011-12.
Now the point is for F.Y.2011-12 the TDS Certificate must be issued only the one downloaded from tin-nsdl.com.
You demand for that. not the certicacate downloaded from the bank's software.
This will clear all your doWbts. This certificate confirms that the deducted amount is properly posted to your mother's PAN Ledger and is correct in all respects.
As far as UBI (union Bank of India is concerned the Regional offices are paying the deducted amount directly without interference of the branches.In south India the amount paid is on 31/03/2012.)
So you can be sure of depositing the TDS deducted from your mother's FD.
Now you demand Form 16A which is downloaded from tin-nsdl.com.
Before that to ascertain first of all they have filed or failed to file the Quarterly TDS return for the period in which the TDS is deducted from your mother's account
- vist tin-nsdl.com >PAN View>give TAN No. of that branch and PAN No. of your mother. The result will show first of all whether they have filed their quarterly return or not.
If you get the answer that 'No quarterly statement is filed' you can deal accordingly.
If it is filed and the no. of records of your mother are also shown - then the amount would have automatically been there in your mother';s Form 26AS.
O.K. - all the best.