One word

Incapable of being corrected → Incorrigible (असुधार्य/ असंशोधनीय)

Incapable of being repaired →Irreparable (जिसे सुधारा न जा सके)

Incapable of being read →Illegible (जो पढ़ा न जा सके)

Incapable of being avoided →Inevitable (जो टल न सके)

Incapable of being practised → Impracticable (अव्यावहारिक)

One, too strong to be overcome → Invincible(अपराजेय)

That cannot be erased →Indelible (जो मिट न सके)

Travelling under another name than one's own → Incognito(भेष बदल कर यात्रा करने वाला)