24 February 2014
The return comprising Part A and Part B of Form No. 61A referred to in sub-rule (1) shall be furnished on computer readable media being a floppy (3.5 inch and 1.44 MB capacity) or CD-ROM (650 MB or higher capacity) or Digital Video Disc (DVD), along with Part A thereof on paper
alternatively, you can file online. refer this link https://www.tin-nsdl.com/air/air-index.php
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