If you find a clean copy of that PDF, consider uploading it to the Internet Archive. It may be useless for new projects, but for preserving Odia digital heritage, it is priceless.

The Oriya (now officially Odia) version, , was widely used in Cuttack, Bhubaneswar, and among Odia publishers before Unicode fonts like Sambodhi and Aakaash took over.

ା (aa-sign) is on Shift + A , not combined logically.