The Income Tax Department has extended the last date for filing income tax returns till Wednesday due to inclement weather and some technical snags. Last dates for filing of income tax returns was to expire yesterday. In a statement, the Central Board of Direct Taxes said all paper or e-returns filed till the 4th of this month will be considered as filed within the due date. The statement said, the decision was taken in view of some technical snags in the e-filing computer system, and inclement weather at various locations, due to which tax payers have reported difficulties in filing or uploading income tax returns.