Description:

 The sixth matra of the Gurmukhi script is Dulainkarh.

Shape :

extends to the full width of the letter.             (Draw) 
Position :  Written below the letter.
 Sound :

 Same as 'oo' in "soon".

Examples :
 sakool (school) =  ਸਕੂਲ
 soor (pig)          =  ਸੂਰ
 aaloo (potato)   =  ਆਲੂ
 sooraj (sun)      =  ਸੂਰਜ
Exceptions :  Dulainkarh cannot be used with  &

 Muharni :