I have always had a fascination of Indian embroideries. This led me to buy a book-Ethnic embroidery of India by Usha Shrikant. Expensive and also very informative.
There was this kashmiri couching stitch.I had seen tunics with this embroidery,it is done in monocolour with thick thread.
Following the instructions from the book, I made some trials on a sampler.Itching to do it on a project[ what else but, a tunic?],I worked this stitch on neck and sleeves of this tunic-

Kashmiri couching on tunic-1kashmiri couching on tunic-2