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)  =  skUl
 soor (pig) =  sUr
 aaloo (potato) =  EwlU
 sooraj (sun) =  sUrj
Exceptions :  Dulainkarh cannot be used with E & e

 Muharni :

aU sU hU kU KU gU GU cU CU jU JU tU TU fU FU xU qU QU dU DU nU pU PU bU BU mU XU rU lU vU VU sLU KLU gLU jLU PLU lLU