This blog post may have answers to
1) How to draw rangoli with dots
2) How to draw muggulu with dots
The dot pattern is 15 to 1 i.e the number of dots decreases as an odd number ( 15,13,9,7,5,3,1)
Floral designs at the corners for this beautiful chukki rangoli This kolam design was created by me long ago !
Draw the white rangoli or colourful kolam for Diwali or Dasara
apart from Bhogi festival