OID value: 2.16.356.100
The Indian IT Act provides for the Controller of Certifying Authorities (CCA) to license and regulate the working of Certifying Authorities and also to ensure that none of the provisions of the Act are violated. The Certifying Authorities (CAs) issue digital signature certificates for electronic authentication of users.
URL for further info: http://www.cca.gov.in/rcai_cps1.jsp#Identification
See also the OID Repository website reference for 2.16.356.100