08 August 2010
A digital signature is an electronic signature that can be used to authenticate the identity of the signer of a document, and possibly to ensure that the original content of the document that has been sent is unchanged. Digital signatures are issued by certain certified authorities upon application and payment of fees. One among those agencies is Tata consultancy services Ltd. Pl see their websites www.tcs-ca.tcs.co.in OR www.tcs.com/mca21 for further details.