As of 2024-2025, there is NO official, legal, free PDF of "Irumbu Kai Mayavi" available for mass download.
Alternatively, become a digital archivist yourself. If you find a crumbling physical copy in a second-hand shop near Madurai Railway Station (famous for its used book stalls), buy it for ₹20, scan it using a mobile scanner (like Genius Scan), and share it ethically (non-commercially) on Archive.org. irumbu kai mayavi pdf