CYBER SECURITY LAW IN INDIA: SUMMARY OF REPORTING OBLIGATIONS
Reporting Entity Type of Security Incident Entity to Report to Mode of Reporting Timeline for Reporting
GENERAL REPORTING
All companies
(Note: A general obligation is imposed on all companies to report incidents to the Indian Computer Emergency Response Team (“CERT-In“) in the manner provided in this table. Additional reporting obligations may apply, depending how an entity is regulated.)
Certain cyber security incidents of severe nature to be mandatorily reported, such as denial of service, distributed denial of service attacks, intrusion, spread of computer contaminant including:

ransomware on any part of the public information infrastructure including backbone network infrastructure;data breaches or data leaks; large-scale or most frequent incidents such as intrusion into computer resource, websites, etc.;cyber incidents impacting safety of human beings (collectively, “Prescribed Security Incidents“).   All other security incidents.
CERT-In Email (incident@cert-in.org.in)

Phone (1800-11-4949)   Fax (1800-11-6969)   Incident response form: https://www.cert-in.org.in/PDF/certinirform.pdf
6 hours upon receipt of knowledge of Prescribed Security Incident.   Without undue delay for all other security incidents (however no specific prescribed timeline).
All organisations that have “protected systems”, as designated by the government under Section 70 of the Information Technology Act, 2000 Security incidents that impact protected systems. National Critical Information Infrastructure Protection Centre (“NCIIPC“) Email (ir@nciipc.gov.in)   Phone (1800114430)   Incident report form: https://nciipc.gov.in/documents/Incidence_Report_Form.pdf No prescribed timeline