Regarding income tax return

Definitely it is serious.  It is the duty of the employer to deduct and credit the tax to the individual employees PAN NO within a month from date of such deduction.  Whether one is assessee or not, every one should file returns if his annual income is over the exempted income.  Contact nearest Chartered Accountant or Auditor for more information, and this forum is dedicated for litigation guidance alone.

Any TDS deduct will be deposited on TAN of Deductor, However Deductor have adjust such TDS against Respective PAN of Individuals by Filling TDS Return. In Your case credit of TDS given to you as well. Every Person whose Gross Total Income exceed basic exemption limit liable to file his or Her Income Tax Return. Non filling of Income Tax Return will attract penalty.