Description:

 It serves to add a nasal sound to a particular vowel.

  
Shape :

extends to the top of the letter. 
Position : Written above the letter.
 Sound : Same as 'n' in "band", "grand", "slang", "grant"
Examples :

kaan (crow) = ਕਾਂ                                                                                 gaan (cow)  = ਗਾਂ                                     

Rules :

Bindee is used with kannaa, laanvaan, dulaanvaan, bihaaree, horhaa and  kanaurhaa and the independent forms of vowels where ੳ is the bearer.
 Muharni :