This is a free way to type in almost any Indian language within any app (like Word or Chrome). It uses a phonetic keyboard, so you just type how the word sounds in English.
Since C-DAC made Leap Office, they have released newer, more compatible tools like the ISM V6 or their GIST SDKs , some of which are available through official government or educational portals.
Leap Office was a popular Indian language word processor developed by C-DAC. It was widely used for typing in Hindi, Marathi, and other Indian languages using specific keyboard layouts like Inscript or Typewriter. Better (and Legal) Alternatives