I deposit the tds through online, but my server get down immediately as i made a payment. i was unable to take the print out of the challan. As and when i go to the website of income tax department that particular challan is showing, As i download the challan, it is showing in .csi format.
22 March 2014
You can download challan by loging into your net banking account. CSI file contains the details of the challan and not the actual challan. CSI file is used for filing TDS return.