The 52-year-old, who retired in 2025 after 28 years in the Army, allegedly shared details of military equipment with a woman posing as a DRDO project. A retired Indian Army captain was arrested in Tamil Nadu’s Vellore, allegedly for leaking confidential military secrets to an unidentified woman on WhatsApp, police said on Monday. A retired Army officer from Vellore was arrested after allegedly sharing confidential military information via WhatsApp.