AIIL Authum Investment & Infrastructure Ltd Capital Structure Changes Announcement 2026 - ESOP Grant Authum grants 19.8 lakh ESOPs under ESOP 2025 at Rs 300 per share, vesting 25% annually over four years with a 5-year exercise window..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Authum Investment & Infrastructure Ltd