Regulatory Calendar
Statutory deadlines, document review cycles, audit dates and training due dates in a single timeline.
August 2026
27 Aug 2026
Mock Drill — Substation Physical + Cyber Intrusion — M. Shah
Training & Exercises
27 Aug 2026
Six-Monthly Cyber Awareness Refresher — V. Ramanathan
Training & Exercises
September 2026
06 Sept 2026
CCMP Annual Crisis Simulation — Sameer Bhatt
Training & Exercises
07 Sept 2026
Thar Battery Storage Facility — new critical system commissioning — report due
Audit & Assurance
09 Sept 2026
Vulnerability SLA — VUL-004 (Critical)
Risk
11 Sept 2026
Incident created — INC-003 (Anomalous setpoint change)
Security Operations
11 Sept 2026
Sabotage flag — INC-008 (Physical intrusion attempt)
Security Operations
11 Sept 2026
Cyber Security Incident Reporting Register — review due
Policies & Documents
13 Sept 2026
Audit report submitted — AUD-01
Audit & Assurance
13 Sept 2026
Portfolio-wide annual cyber audit — FY2026-27 — report due
Audit & Assurance
16 Sept 2026
New critical system commissioned — Thar BESS
Scope & Registry
26 Sept 2026
Annual self-audit — all applicable regulations — report due
Audit & Assurance
October 2026
11 Oct 2026
Mock drill cadence
Training & Exercises
21 Oct 2026
Cyber asset nearing EOL — CA-014
Change & Patch
26 Oct 2026
CCMP annual exercise
Security Operations
November 2026
10 Nov 2026
CCMP Annual Crisis Simulation — S. Iyer
Training & Exercises
10 Nov 2026
Mock Drill — Substation Physical + Cyber Intrusion — K. Verma
Training & Exercises
10 Nov 2026
Incident Response Tabletop — Ransomware Scenario — GridSecure Vendor Engineer
Training & Exercises
15 Nov 2026
Data Retention Policy annual review
Policies & Documents
15 Nov 2026
Data Retention Policy — review due
Policies & Documents
20 Nov 2026
Bill of Materials — Portfolio Critical Systems — review due
Policies & Documents
25 Nov 2026
Audit commenced — AUD-02 (Self Audit)
Audit & Assurance
December 2026
10 Dec 2026
Incident Response Tabletop — Ransomware Scenario — R. Nair
Training & Exercises
10 Dec 2026
Six-Monthly Cyber Awareness Refresher — V. Ramanathan
Training & Exercises
10 Dec 2026
OT/ICS Security for SCADA Engineers — Sameer Bhatt
Training & Exercises
22 Dec 2026
Vindhyachal Thermal Station — pre-commissioning follow-up — report due
Audit & Assurance
January 2027
09 Jan 2027
Cyber Risk Assessment & Mitigation Plan
Risk
09 Jan 2027
Cyber Risk Assessment & Mitigation Plan — review due
Policies & Documents
09 Jan 2027
Six-Monthly Cyber Awareness Refresher — B. Mohanty
Training & Exercises
09 Jan 2027
CCMP Annual Crisis Simulation — Sameer Bhatt
Training & Exercises
24 Jan 2027
Incident Response & Recovery Plan
Policies & Documents
24 Jan 2027
Incident Response and Recovery Plan — review due
Policies & Documents
February 2027
13 Feb 2027
Business Continuity Plan — review due
Policies & Documents
March 2027
30 Mar 2027
Incident-associated logs — INC-003
Policies & Documents
April 2027
24 Apr 2027
Cyber Security Policy annual review
Policies & Documents
24 Apr 2027
Cyber Security Policy — review due
Policies & Documents
May 2027
04 May 2027
Backup & Restore Procedure — review due
Policies & Documents
June 2027
03 Jun 2027
Cyber Crisis Management Plan (CCMP) — review due
Policies & Documents
08 Jun 2027
Remote Operation Procedure — review due
Policies & Documents
23 Jun 2027
Remote Access Procedure — review due
Policies & Documents
July 2027
18 Jul 2027
Vendor Onboarding & Vulnerability Disclosure Procedure — review due
Policies & Documents
September 2027
01 Sept 2027
Electronic Security Perimeter Rule Review Procedure — review due
Policies & Documents
March 2028
24 Mar 2028
ISO/IEC 27001 Certificate — Corporate Data Center — review due
Policies & Documents