Assalam Alaikum, kya maut kay baad koyi Rooh kisi say badla leysakti hai,ya marnay walay ka hamsaya tang karta hai marnay walay ki shakal iqtiyar karkay.

بسم اللہ الرحمن الرحیم
الجواب وباللہ التوفیق
Revenge by a dead person’s soul against a living person, or belief in reincarnation, has absolutely no reality according to Shari’a. Such a belief is totally invalid in Islam.
فقط واللہ اعلم بالصواب