Indian English is not always Intelligible to British listener.

The main reasons of the un-intelligibility of Indian English to foreigners are:

1. faulty pronunciation of the sounds of English
2. replacements of English sounds by their Indian equivalents
3. wrong accentual pattern
4. leaving important words unaccented in connected speech
5. faulty rhythmic patterns
6. faulty division of a long utterance into a tone group
7. wrong location of the nucleus or the tonic syllable in a tone group