Diacritcs sign with consonant of indian languages

 ( Brahmic family script's) compound letters, which are vowels combined with consonants, have diacritics.
A diacritic ( an accent) is a mark put above, below, through or on a letter.
Here  is shown with vowel diacritics.

1-Oriya-

2- Punjabi-

3- Tamil-

4-Telugu-

5- Malyalam-

6-Kannada-

7- Hindi-

8- Gujatrati-

9- Bengali-

10-Assamese-

It's Differ from Bengali Script And Rest off All Same.