Sub A Kumar Tyagi (Retd) has had an extensive career in the Army, serving for 30 years in various capacities, including prestigious establishments like IMA and CIJW School. Post-retirement, he continued serving the military community by assisting with pension solutions and creating informative content on a YouTube channel dedicated to defense pensioners. His involvement with the animal welfare NGO, Pashu Ashray Society Regd, highlights his commitment to social causes. Currently, he contributes his expertise as an OSD Shaheed Smarak and Upwan Club cum Administrative Officer at Subharti Defence Academy, Meerut.