Class 2 Digital signature: Digital signature certificate class 2 is a digital signature where the identity of a person is verified against a trusted, pre-verified database. It is used where the risk of data is moderate. They are issued to the directors/signatory authorities of the companies for the purpose of e-filing with the Registrar of Companies (ROC).
Class 3 Digital signature: Digital signature certificate class 3 are the highest level of digital signature where the person needs to present himself or herself in front of a Registration Authority (RA) and prove his/ her identity. It is used where the risk of data is at an extreme level. They are used by Individuals, Companies, and Organizations who take part or who wish to take part in e-Tendering, e-Procurement, e-Ticketing, IPO, Patent, and Trademark filing process on various websites in India.