A Digital Signature Certificate (DSC) is issued by the certifying authorities in India for the purpose of verifying and authenticating the identity of the individual holding the certificate. Digital Signature Certificate is a secured digital key. A Digital Signature Certificate is required while e-Filing of ITR, Trademark Patent e-Filing, e-Tendering, e-Procurement, e-Ticketing, e-Bidding, e-Filing of ROC & MCA, DGFT ,Provident Fund Transfer, e-Filing of Documents of Custom & Excise, Custom House Agent(CHA), High Court eFiling IEC Registration, Net Banking, ICEGate & many more. Digital Signature Certificate is issued by certifying authorities and it is a secure digital key used for various online business transactions. Digital Signature Certificate contains the certificate holder’s name, pin code and country, email address, the date on which it was issued, and the digital certificate providers’ name (authority).Notably, it is issued for 1, 2 or 3 years and has to be renewed after their validity is expired. Also, an individual can have two Digital Signature Certificate – for personal and company / organisation purpose each. And all digitally signed documents are acceptable as proof or evidence for legal purpose.