Informal:
* "Aasmaan tsan" (आस्मान त्सन) - This is a very common and casual way to say goodbye, literally meaning "see you tomorrow".
* "Chhuk" (चुक) - This is a simple and informal way to say goodbye, similar to "bye".
* "Khush rahi" (ख़ुश रहि) - This means "stay happy" and is a friendly way to say goodbye.
Formal:
* "Aapne khush rahi" (आपने खुश रहि) - This means "stay happy" and is a more formal way to say goodbye.
* "Salam aleykum" (सलाम अलेकुम) - This is a standard Islamic greeting that can be used for both hello and goodbye.
* "Allaha hafiz" (अल्लाह हाफ़िज़) - This means "May God protect you" and is a traditional way to say goodbye.
You can also use "aaj khatam" (आज ख़तम) meaning "that's it for today" to say goodbye.
It's important to note that the best way to say goodbye in Kashmiri depends on the context and the person you are talking to.