The History of the First Gorkha Rifles (The Malaun Regiment), Volume IV (1990-2024) documents a significant phase in the evolution of the Indian Army's oldest Gorkha infantry regiment. Authored by Col Harjeet Singh, this historical record traces the participation of the First Gorkha Rifles in key operations, including Op Rakshak, Op Meghdoot, Op Rhino, and Op Falcon, while also documenting its contributions to United Nations missions.

Supplemented with appendices on honours, awards, commanding officers, and other regimental particulars, the volume is intended as a comprehensive work of record, serving as an important reference for military historians, serving personnel and all those engaged in the study of regimental history and tradition.