Defence secretary Rajesh Kumar Singh released a new Manual of Security Instructions 2026 of the ministry of defence (MoD) at a function in New Delhi on 9 March 2026. The manual is a comprehensive document outlining security guidelines, which will be updated periodically to address the changing security scenario.

In his address, the defence secretary emphasised the need for strict adherence to security discipline amid emerging threats and evolving security challenges. He stressed that all officers and security personnel must rigorously follow the prescribed security procedures.

Singh appreciated the efforts of the security office of the ministry in preparing these detailed security guidelines. He urged the security personnel and officials to ensure their effective implementation, stating that the new manual would help maintain a secure environment within the ministry.